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528423372 = 223367103709
BaseRepresentation
bin11111011111110…
…001100111001100
31100211022200121000
4133133301213030
52040234021442
6124233540300
716044344631
oct3737614714
91324280530
10528423372
11251310334
12128b74690
1385627569
1450274188
15315ced4c
hex1f7f19cc

528423372 has 96 divisors (see below), whose sum is σ = 1405913600. Its totient is φ = 171585216.

The previous prime is 528423361. The next prime is 528423377. The reversal of 528423372 is 273324825.

528423372 is a `hidden beast` number, since 5 + 284 + 2 + 3 + 372 = 666.

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 (528423377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744954 + ... + 745662.

Almost surely, 2528423372 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 528423372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702956800).

528423372 is an abundant number, since it is smaller than the sum of its proper divisors (877490228).

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

528423372 is a wasteful number, since it uses less digits than its factorization.

528423372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 884 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 528423372 is about 22987.4611908318. The cubic root of 528423372 is about 808.4639751814.

The spelling of 528423372 in words is "five hundred twenty-eight million, four hundred twenty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 67 103 108 134 201 206 268 309 402 412 603 618 709 804 927 1206 1236 1418 1809 1854 2127 2412 2781 2836 3618 3708 4254 5562 6381 6901 7236 8508 11124 12762 13802 19143 20703 25524 27604 38286 41406 47503 62109 73027 76572 82812 95006 124218 142509 146054 186327 190012 219081 248436 285018 292108 372654 427527 438162 570036 657243 745308 855054 876324 1282581 1314486 1710108 1971729 2565162 2628972 3943458 4892809 5130324 7886916 9785618 14678427 19571236 29356854 44035281 58713708 88070562 132105843 176141124 264211686 528423372