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23000340 = 22351134849
BaseRepresentation
bin101011110111…
…1010100010100
31121021112112110
41113233110110
521342002330
62140551020
7366333246
oct127572424
947245473
1023000340
1111a8a550
127852470
1349c3c8c
1430aa096
152044db0
hex15ef514

23000340 has 48 divisors (see below), whose sum is σ = 70257600. Its totient is φ = 5575680.

The previous prime is 23000323. The next prime is 23000377. The reversal of 23000340 is 4300032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16765 + ... + 18084.

It is an arithmetic number, because the mean of its divisors is an integer number (1463700).

Almost surely, 223000340 is an apocalyptic number.

23000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000340 is an abundant number, since it is smaller than the sum of its proper divisors (47257260).

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

23000340 is a wasteful number, since it uses less digits than its factorization.

23000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34872 (or 34870 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23000340 is about 4795.8669706321. The cubic root of 23000340 is about 284.3880993040.

Adding to 23000340 its reverse (4300032), we get a palindrome (27300372).

The spelling of 23000340 in words is "twenty-three million, three hundred forty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 34849 69698 104547 139396 174245 209094 348490 383339 418188 522735 696980 766678 1045470 1150017 1533356 1916695 2090940 2300034 3833390 4600068 5750085 7666780 11500170 23000340