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23087064 = 23371113312
BaseRepresentation
bin101100000010…
…0011111011000
31121102221111110
41120010133120
521402241224
62142500320
7400144140
oct130043730
947387443
1023087064
1112039720
1278946a0
134a245b0
1430cd920
152060929
hex16047d8

23087064 has 192 divisors, whose sum is σ = 80075520. Its totient is φ = 5356800.

The previous prime is 23087017. The next prime is 23087083. The reversal of 23087064 is 46078032.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 744729 + ... + 744759.

It is an arithmetic number, because the mean of its divisors is an integer number (417060).

Almost surely, 223087064 is an apocalyptic number.

23087064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23087064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40037760).

23087064 is an abundant number, since it is smaller than the sum of its proper divisors (56988456).

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

23087064 is a wasteful number, since it uses less digits than its factorization.

23087064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23087064 is about 4804.8999989594. The cubic root of 23087064 is about 284.7450844650.

The spelling of 23087064 in words is "twenty-three million, eighty-seven thousand, sixty-four".