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87394295 = 531355843
BaseRepresentation
bin1010011010110…
…00011111110111
320002110002102202
411031120133313
5134333104140
612401055115
72110560602
oct515303767
9202402382
1087394295
114537169a
122532749b
131514bc01
14b86d339
157a14915
hex53587f7

87394295 has 8 divisors (see below), whose sum is σ = 105210096. Its totient is φ = 69690816.

The previous prime is 87394277. The next prime is 87394327. The reversal of 87394295 is 59249378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87394295 - 26 = 87394231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26357 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (13151262).

Almost surely, 287394295 is an apocalyptic number.

87394295 is a deficient number, since it is larger than the sum of its proper divisors (17815801).

87394295 is a wasteful number, since it uses less digits than its factorization.

87394295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56161.

The product of its digits is 544320, while the sum is 47.

The square root of 87394295 is about 9348.4915895560. The cubic root of 87394295 is about 443.7731557050.

The spelling of 87394295 in words is "eighty-seven million, three hundred ninety-four thousand, two hundred ninety-five".

Divisors: 1 5 313 1565 55843 279215 17478859 87394295