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23228502 = 2311714957
BaseRepresentation
bin101100010011…
…1000001010110
31121201010111220
41120213001112
521421303002
62145511210
7401303403
oct130470126
947633456
1023228502
1112125a10
127942506
134a73a9b
1431292aa
15208c7bc
hex1627056

23228502 has 32 divisors (see below), whose sum is σ = 51404544. Its totient is φ = 6938400.

The previous prime is 23228501. The next prime is 23228503. The reversal of 23228502 is 20582232.

It is an interprime number because it is at equal distance from previous prime (23228501) and next prime (23228503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23228501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2208 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (1606392).

Almost surely, 223228502 is an apocalyptic number.

23228502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23228502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25702272).

23228502 is an abundant number, since it is smaller than the sum of its proper divisors (28176042).

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

23228502 is a wasteful number, since it uses less digits than its factorization.

23228502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 23228502 is about 4819.5956261911. The cubic root of 23228502 is about 285.3253778437.

The spelling of 23228502 in words is "twenty-three million, two hundred twenty-eight thousand, five hundred two".

Divisors: 1 2 3 6 11 22 33 66 71 142 213 426 781 1562 2343 4686 4957 9914 14871 29742 54527 109054 163581 327162 351947 703894 1055841 2111682 3871417 7742834 11614251 23228502