Search a number
-
+
345992472 = 2334783919
BaseRepresentation
bin10100100111110…
…110110100011000
3220010001020110000
4110213312310120
51202033224342
654155453000
711400613260
oct2447666430
9803036400
10345992472
111683382a1
1297a57160
13568b2097
1433d467a0
152059644c
hex149f6d18

345992472 has 160 divisors (see below), whose sum is σ = 1122105600. Its totient is φ = 97557696.

The previous prime is 345992467. The next prime is 345992477. The reversal of 345992472 is 274299543.

345992472 is a `hidden beast` number, since 34 + 599 + 24 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (345992467) and next prime (345992477).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345992477) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376029 + ... + 376947.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2345992472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345992472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561052800).

345992472 is an abundant number, since it is smaller than the sum of its proper divisors (776113128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345992472 is a wasteful number, since it uses less digits than its factorization.

345992472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1014 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 345992472 is about 18600.8728827440. The cubic root of 345992472 is about 702.0298036875.

The spelling of 345992472 in words is "three hundred forty-five million, nine hundred ninety-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 83 84 108 126 162 166 168 189 216 249 252 324 332 378 498 504 567 581 648 664 747 756 919 996 1134 1162 1494 1512 1743 1838 1992 2241 2268 2324 2757 2988 3486 3676 4482 4536 4648 5229 5514 5976 6433 6723 6972 7352 8271 8964 10458 11028 12866 13446 13944 15687 16542 17928 19299 20916 22056 24813 25732 26892 31374 33084 38598 41832 47061 49626 51464 53784 57897 62748 66168 74439 76277 77196 94122 99252 115794 125496 148878 152554 154392 173691 188244 198504 228831 231588 297756 305108 347382 376488 457662 463176 521073 533939 595512 610216 686493 694764 915324 1042146 1067878 1372986 1389528 1601817 1830648 2059479 2084292 2135756 2745972 3203634 4118958 4168584 4271512 4805451 5491944 6178437 6407268 8237916 9610902 12356874 12814536 14416353 16475832 19221804 24713748 28832706 38443608 43249059 49427496 57665412 86498118 115330824 172996236 345992472