Search a number
-
+
345147560 = 235292331277
BaseRepresentation
bin10100100100101…
…000100010101000
3220001110022102222
4110210220202220
51201324210220
654125413212
711360464052
oct2444504250
9801408388
10345147560
1116791051a
129770a208
1356677634
1433ba68d2
152047ae25
hex149288a8

345147560 has 64 divisors (see below), whose sum is σ = 807440400. Its totient is φ = 132622336.

The previous prime is 345147533. The next prime is 345147563. The reversal of 345147560 is 65741543.

It can be written as a sum of positive squares in 8 ways, for example, as 125574436 + 219573124 = 11206^2 + 14818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345147560.

It is not an unprimeable number, because it can be changed into a prime (345147563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269642 + ... + 270918.

Almost surely, 2345147560 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 345147560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403720200).

345147560 is an abundant number, since it is smaller than the sum of its proper divisors (462292840).

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

345147560 is a wasteful number, since it uses less digits than its factorization.

345147560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 345147560 is about 18578.1473780353. The cubic root of 345147560 is about 701.4578867283.

The spelling of 345147560 in words is "three hundred forty-five million, one hundred forty-seven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 233 290 466 580 932 1160 1165 1277 1864 2330 2554 4660 5108 6385 6757 9320 10216 12770 13514 25540 27028 33785 37033 51080 54056 67570 74066 135140 148132 185165 270280 296264 297541 370330 595082 740660 1190164 1481320 1487705 2380328 2975410 5950820 8628689 11901640 17257378 34514756 43143445 69029512 86286890 172573780 345147560