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23331352 = 2311265129
BaseRepresentation
bin101100100000…
…0001000011000
31121220100121011
41121000020120
521433100402
62152023304
7402212302
oct131001030
947810534
1023331352
1112196210
127991b34
134aab845
143154972
1520aced7
hex1640218

23331352 has 16 divisors (see below), whose sum is σ = 47723400. Its totient is φ = 10605120.

The previous prime is 23331281. The next prime is 23331353. The reversal of 23331352 is 25313332.

It is a happy number.

It is a super-2 number, since 2×233313522 = 1088703972295808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132477 + ... + 132652.

Almost surely, 223331352 is an apocalyptic number.

23331352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23331352 is an abundant number, since it is smaller than the sum of its proper divisors (24392048).

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

23331352 is a wasteful number, since it uses less digits than its factorization.

23331352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265146 (or 265142 counting only the distinct ones).

The product of its digits is 1620, while the sum is 22.

The square root of 23331352 is about 4830.2538235583. The cubic root of 23331352 is about 285.7458743170.

Adding to 23331352 its reverse (25313332), we get a palindrome (48644684).

The spelling of 23331352 in words is "twenty-three million, three hundred thirty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 265129 530258 1060516 2121032 2916419 5832838 11665676 23331352