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23065340 = 2251153267
BaseRepresentation
bin101011111111…
…1001011111100
31121101211200212
41113333023330
521401042330
62142211552
7400023614
oct127771374
947354625
1023065340
1112024371
127883bb8
134a1773c
1430c5a44
152059295
hex15ff2fc

23065340 has 12 divisors (see below), whose sum is σ = 48437256. Its totient is φ = 9226128.

The previous prime is 23065337. The next prime is 23065397. The reversal of 23065340 is 4356032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576614 + ... + 576653.

It is an arithmetic number, because the mean of its divisors is an integer number (4036438).

Almost surely, 223065340 is an apocalyptic number.

23065340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23065340 is an abundant number, since it is smaller than the sum of its proper divisors (25371916).

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

23065340 is a wasteful number, since it uses less digits than its factorization.

23065340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153276 (or 1153274 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23065340 is about 4802.6388579613. The cubic root of 23065340 is about 284.6557452081.

The spelling of 23065340 in words is "twenty-three million, sixty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1153267 2306534 4613068 5766335 11532670 23065340