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87040333 = 307283519
BaseRepresentation
bin1010011000000…
…10000101001101
320001210002220001
411030002011031
5134240242313
612345324301
72104554622
oct514020515
9201702801
1087040333
114514a766
1225196691
1315056a73
14b7ba349
157994add
hex530214d

87040333 has 4 divisors (see below), whose sum is σ = 87324160. Its totient is φ = 86756508.

The previous prime is 87040321. The next prime is 87040337. The reversal of 87040333 is 33304078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87040333 - 25 = 87040301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87040337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141453 + ... + 142066.

It is an arithmetic number, because the mean of its divisors is an integer number (21831040).

Almost surely, 287040333 is an apocalyptic number.

It is an amenable number.

87040333 is a deficient number, since it is larger than the sum of its proper divisors (283827).

87040333 is a wasteful number, since it uses less digits than its factorization.

87040333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283826.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 87040333 is about 9329.5408783069. The cubic root of 87040333 is about 443.1732257070.

The spelling of 87040333 in words is "eighty-seven million, forty thousand, three hundred thirty-three".

Divisors: 1 307 283519 87040333