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82572328 = 23191075077
BaseRepresentation
bin1001110101111…
…11010000101000
312202101002221101
410322333100220
5132114303303
612105451144
72021565436
oct472772050
9182332841
1082572328
11426788a3
12237a0ab4
1314151187
14ad75d56
1573b0d1d
hex4ebf428

82572328 has 32 divisors (see below), whose sum is σ = 164527200. Its totient is φ = 38740032.

The previous prime is 82572293. The next prime is 82572337. The reversal of 82572328 is 82327528.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13726 + ... + 18802.

It is an arithmetic number, because the mean of its divisors is an integer number (5141475).

Almost surely, 282572328 is an apocalyptic number.

It is an amenable number.

82572328 is a deficient number, since it is larger than the sum of its proper divisors (81954872).

82572328 is a wasteful number, since it uses less digits than its factorization.

82572328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209 (or 5205 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 82572328 is about 9086.9317153812. The cubic root of 82572328 is about 435.4565655961.

It can be divided in two parts, 8257 and 2328, that added together give a triangular number (10585 = T145).

The spelling of 82572328 in words is "eighty-two million, five hundred seventy-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 107 152 214 428 856 2033 4066 5077 8132 10154 16264 20308 40616 96463 192926 385852 543239 771704 1086478 2172956 4345912 10321541 20643082 41286164 82572328