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525088044 = 22321317312129
BaseRepresentation
bin11111010011000…
…011010100101100
31100121001020101100
4133103003110230
52033410304134
6124034243100
716004113635
oct3723032454
91317036340
10525088044
1124a442468
12127a26490
1384a2a3b0
144da4688c
1531171999
hex1f4c352c

525088044 has 144 divisors (see below), whose sum is σ = 1563045120. Its totient is φ = 147087360.

The previous prime is 525088033. The next prime is 525088049. The reversal of 525088044 is 440880525.

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 (525088049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245572 + ... + 247700.

It is an arithmetic number, because the mean of its divisors is an integer number (10854480).

Almost surely, 2525088044 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 525088044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781522560).

525088044 is an abundant number, since it is smaller than the sum of its proper divisors (1037957076).

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

525088044 is a wasteful number, since it uses less digits than its factorization.

525088044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 525088044 is about 22914.7996718278. The cubic root of 525088044 is about 806.7594165905.

The spelling of 525088044 in words is "five hundred twenty-five million, eighty-eight thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 31 34 36 39 51 52 62 68 78 93 102 117 124 153 156 186 204 221 234 279 306 372 403 442 468 527 558 612 663 806 884 1054 1116 1209 1326 1581 1612 1989 2108 2129 2418 2652 3162 3627 3978 4258 4743 4836 6324 6387 6851 7254 7956 8516 9486 12774 13702 14508 18972 19161 20553 25548 27404 27677 36193 38322 41106 55354 61659 65999 72386 76644 82212 83031 108579 110708 123318 131998 144772 166062 197997 217158 246636 249093 263996 325737 332124 395994 434316 470509 498186 593991 651474 791988 857987 941018 996372 1121983 1187982 1302948 1411527 1715974 1882036 2243966 2375964 2573961 2823054 3365949 3431948 4234581 4487932 5147922 5646108 6731898 7721883 8469162 10097847 10295844 13463796 14585779 15443766 16938324 20195694 29171558 30887532 40391388 43757337 58343116 87514674 131272011 175029348 262544022 525088044