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23282137 = 41567857
BaseRepresentation
bin101100011010…
…0000111011001
31121210212002101
41120310013121
521430012022
62151003401
7401615644
oct130640731
947725071
1023282137
111216223a
127969561
134a92318
143140a5b
15209d627
hex16341d9

23282137 has 4 divisors (see below), whose sum is σ = 23850036. Its totient is φ = 22714240.

The previous prime is 23282131. The next prime is 23282143. The reversal of 23282137 is 73128232.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23282131) and next prime (23282143).

It can be written as a sum of positive squares in 2 ways, for example, as 7750656 + 15531481 = 2784^2 + 3941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23282137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23282131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283888 + ... + 283969.

It is an arithmetic number, because the mean of its divisors is an integer number (5962509).

Almost surely, 223282137 is an apocalyptic number.

It is an amenable number.

23282137 is a deficient number, since it is larger than the sum of its proper divisors (567899).

23282137 is an equidigital number, since it uses as much as digits as its factorization.

23282137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567898.

The product of its digits is 4032, while the sum is 28.

The square root of 23282137 is about 4825.1566813939. The cubic root of 23282137 is about 285.5448160595.

It can be divided in two parts, 2328 and 2137, that added together give a triangular number (4465 = T94).

The spelling of 23282137 in words is "twenty-three million, two hundred eighty-two thousand, one hundred thirty-seven".

Divisors: 1 41 567857 23282137