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87420326 = 27291971093
BaseRepresentation
bin1010011010111…
…10110110100110
320002111102010212
411031132312212
5134334422301
612401415422
72111026520
oct515366646
9202442125
1087420326
114538a204
122533a572
131515aa06
14b878a10
157a1c4bb
hex535eda6

87420326 has 32 divisors (see below), whose sum is σ = 155960640. Its totient is φ = 35957376.

The previous prime is 87420317. The next prime is 87420343. The reversal of 87420326 is 62302478.

It is a junction number, because it is equal to n+sod(n) for n = 87420292 and 87420301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79436 + ... + 80528.

It is an arithmetic number, because the mean of its divisors is an integer number (4873770).

Almost surely, 287420326 is an apocalyptic number.

87420326 is a deficient number, since it is larger than the sum of its proper divisors (68540314).

87420326 is a wasteful number, since it uses less digits than its factorization.

87420326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 87420326 is about 9349.8837425927. The cubic root of 87420326 is about 443.8172116405.

The spelling of 87420326 in words is "eighty-seven million, four hundred twenty thousand, three hundred twenty-six".

Divisors: 1 2 7 14 29 58 197 203 394 406 1093 1379 2186 2758 5713 7651 11426 15302 31697 39991 63394 79982 215321 221879 430642 443758 1507247 3014494 6244309 12488618 43710163 87420326