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87225355 = 572492153
BaseRepresentation
bin1010011001011…
…11010000001011
320002010111200201
411030233100023
5134312202410
612353313031
72106255220
oct514572013
9202114621
1087225355
1145266778
1225265777
13150c0049
14b827947
1579ce83a
hex532f40b

87225355 has 8 divisors (see below), whose sum is σ = 119623392. Its totient is φ = 59811648.

The previous prime is 87225353. The next prime is 87225367. The reversal of 87225355 is 55352278.

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 87225355 - 21 = 87225353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87225353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246042 + ... + 1246111.

It is an arithmetic number, because the mean of its divisors is an integer number (14952924).

Almost surely, 287225355 is an apocalyptic number.

87225355 is a deficient number, since it is larger than the sum of its proper divisors (32398037).

87225355 is a wasteful number, since it uses less digits than its factorization.

87225355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492165.

The product of its digits is 84000, while the sum is 37.

The square root of 87225355 is about 9339.4515363591. The cubic root of 87225355 is about 443.4870218593.

The spelling of 87225355 in words is "eighty-seven million, two hundred twenty-five thousand, three hundred fifty-five".

Divisors: 1 5 7 35 2492153 12460765 17445071 87225355