Search a number
-
+
252837504 = 2733149491
BaseRepresentation
bin11110001000111…
…11111010000000
3122121202110212000
433010133322000
51004211300004
641031104000
76160040403
oct1704377200
9577673760
10252837504
1111a7a1617
1270812000
13404c70ba
1425817d3a
15172e4c39
hexf11fe80

252837504 has 128 divisors (see below), whose sum is σ = 752760000. Its totient is φ = 83543040.

The previous prime is 252837493. The next prime is 252837509. The reversal of 252837504 is 405738252.

252837504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (252837509) 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, 514699 + ... + 515189.

Almost surely, 2252837504 is an apocalyptic number.

252837504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252837504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376380000).

252837504 is an abundant number, since it is smaller than the sum of its proper divisors (499922496).

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

252837504 is a wasteful number, since it uses less digits than its factorization.

252837504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 252837504 is about 15900.8648821377. The cubic root of 252837504 is about 632.3349183554.

The spelling of 252837504 in words is "two hundred fifty-two million, eight hundred thirty-seven thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 149 192 216 288 298 384 432 447 491 576 596 864 894 982 1152 1192 1341 1473 1728 1788 1964 2384 2682 2946 3456 3576 3928 4023 4419 4768 5364 5892 7152 7856 8046 8838 9536 10728 11784 13257 14304 15712 16092 17676 19072 21456 23568 26514 28608 31424 32184 35352 42912 47136 53028 57216 62848 64368 70704 73159 85824 94272 106056 128736 141408 146318 171648 188544 212112 219477 257472 282816 292636 424224 438954 514944 565632 585272 658431 848448 877908 1170544 1316862 1696896 1755816 1975293 2341088 2633724 3511632 3950586 4682176 5267448 7023264 7901172 9364352 10534896 14046528 15802344 21069792 28093056 31604688 42139584 63209376 84279168 126418752 252837504