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23063500 = 2253193239
BaseRepresentation
bin101011111111…
…0101111001100
31121101202011201
41113332233030
521401013000
62142155244
7400015345
oct127765714
947352151
1023063500
1112022a49
127882b24
134a16955
1430c50cc
15205896a
hex15febcc

23063500 has 48 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 9139200.

The previous prime is 23063483. The next prime is 23063501. The reversal of 23063500 is 536032.

It is not an unprimeable number, because it can be changed into a prime (23063501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96381 + ... + 96619.

It is an arithmetic number, because the mean of its divisors is an integer number (1059240).

Almost surely, 223063500 is an apocalyptic number.

23063500 is a gapful number since it is divisible by the number (20) 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 23063500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25421760).

23063500 is an abundant number, since it is smaller than the sum of its proper divisors (27780020).

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

23063500 is a wasteful number, since it uses less digits than its factorization.

23063500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23063500 is about 4802.4472927873. The cubic root of 23063500 is about 284.6481756904.

Adding to 23063500 its reverse (536032), we get a palindrome (23599532).

The spelling of 23063500 in words is "twenty-three million, sixty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 193 239 250 386 478 500 772 956 965 1195 1930 2390 3860 4780 4825 5975 9650 11950 19300 23900 24125 29875 46127 48250 59750 92254 96500 119500 184508 230635 461270 922540 1153175 2306350 4612700 5765875 11531750 23063500