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23247132 = 2231937261
BaseRepresentation
bin101100010101…
…1100100011100
31121202002001220
41120223210130
521422402012
62150133340
7401411616
oct130534434
947662056
1023247132
1112138a07
127951250
134a7c3cc
143131db6
15209308c
hex162b91c

23247132 has 12 divisors (see below), whose sum is σ = 54243336. Its totient is φ = 7749040.

The previous prime is 23247131. The next prime is 23247139. The reversal of 23247132 is 23174232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23247131) 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, 968619 + ... + 968642.

It is an arithmetic number, because the mean of its divisors is an integer number (4520278).

Almost surely, 223247132 is an apocalyptic number.

It is an amenable number.

23247132 is an abundant number, since it is smaller than the sum of its proper divisors (30996204).

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

23247132 is a wasteful number, since it uses less digits than its factorization.

23247132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937268 (or 1937266 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 23247132 is about 4821.5279735785. The cubic root of 23247132 is about 285.4016374798.

Subtracting from 23247132 its reverse (23174232), we obtain a square (72900 = 2702).

The spelling of 23247132 in words is "twenty-three million, two hundred forty-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1937261 3874522 5811783 7749044 11623566 23247132