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23328190 = 257972927
BaseRepresentation
bin101100011111…
…1010110111110
31121220012021001
41120333112332
521433000230
62152000514
7402200134
oct130772676
947805231
1023328190
11121938a6
12799013a
134aaa282
143153754
1520ac0ca
hex163f5be

23328190 has 16 divisors (see below), whose sum is σ = 42057792. Its totient is φ = 9316384.

The previous prime is 23328113. The next prime is 23328197. The reversal of 23328190 is 9182332.

It is a super-2 number, since 2×233281902 = 1088408897352200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328197) 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 7 ways as a sum of consecutive naturals, for example, 6507 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (2628612).

Almost surely, 223328190 is an apocalyptic number.

23328190 is a deficient number, since it is larger than the sum of its proper divisors (18729602).

23328190 is a wasteful number, since it uses less digits than its factorization.

23328190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23328190 is about 4829.9265004760. The cubic root of 23328190 is about 285.7329650883.

The spelling of 23328190 in words is "twenty-three million, three hundred twenty-eight thousand, one hundred ninety".

Divisors: 1 2 5 10 797 1594 2927 3985 5854 7970 14635 29270 2332819 4665638 11664095 23328190