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87374946 = 2366122031
BaseRepresentation
bin1010011010100…
…11110001100010
320002102002220010
411031103301202
5134331444241
612400425350
72110450311
oct515236142
9202362803
1087374946
11453590aa
1225318256
1315143169
14b866278
157a0dd16
hex5353c62

87374946 has 16 divisors (see below), whose sum is σ = 175022208. Its totient is φ = 29079600.

The previous prime is 87374933. The next prime is 87374971. The reversal of 87374946 is 64947378.

It is a happy number.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 87 and 374946 contains 87374946 itself.

It is a junction number, because it is equal to n+sod(n) for n = 87374895 and 87374904.

It is an unprimeable number.

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, 7050 + ... + 14981.

It is an arithmetic number, because the mean of its divisors is an integer number (10938888).

Almost surely, 287374946 is an apocalyptic number.

87374946 is an abundant number, since it is smaller than the sum of its proper divisors (87647262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87374946 is a wasteful number, since it uses less digits than its factorization.

87374946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22697.

The product of its digits is 1016064, while the sum is 48.

The square root of 87374946 is about 9347.4566594342. The cubic root of 87374946 is about 443.7404029929.

The spelling of 87374946 in words is "eighty-seven million, three hundred seventy-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 661 1322 1983 3966 22031 44062 66093 132186 14562491 29124982 43687473 87374946