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23364380 = 22513731231
BaseRepresentation
bin101100100100…
…0001100011100
31121222000220102
41121020030130
521440130010
62152440232
7402410504
oct131101434
947860812
1023364380
1112209006
1279a9078
134ac08a0
143162a04
1520b7ba5
hex164831c

23364380 has 48 divisors (see below), whose sum is σ = 53606784. Its totient is φ = 8501760.

The previous prime is 23364349. The next prime is 23364449. The reversal of 23364380 is 8346332.

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, 18365 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (1116808).

Almost surely, 223364380 is an apocalyptic number.

23364380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23364380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26803392).

23364380 is an abundant number, since it is smaller than the sum of its proper divisors (30242404).

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

23364380 is a wasteful number, since it uses less digits than its factorization.

23364380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23364380 is about 4833.6714824241. The cubic root of 23364380 is about 285.8806452598.

The spelling of 23364380 in words is "twenty-three million, three hundred sixty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 73 130 146 260 292 365 730 949 1231 1460 1898 2462 3796 4745 4924 6155 9490 12310 16003 18980 24620 32006 64012 80015 89863 160030 179726 320060 359452 449315 898630 1168219 1797260 2336438 4672876 5841095 11682190 23364380