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23136060 = 2235715431
BaseRepresentation
bin101100001000…
…0011100111100
31121112102201010
41120100130330
521410323220
62143515220
7400440033
oct130203474
947472633
1023136060
1112072512
1278b8b10
134a4099c
14310371a
1520701e0
hex161073c

23136060 has 48 divisors (see below), whose sum is σ = 65705472. Its totient is φ = 6081600.

The previous prime is 23136059. The next prime is 23136089. The reversal of 23136060 is 6063132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (1368864).

Almost surely, 223136060 is an apocalyptic number.

23136060 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 23136060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32852736).

23136060 is an abundant number, since it is smaller than the sum of its proper divisors (42569412).

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

23136060 is a wasteful number, since it uses less digits than its factorization.

23136060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5512 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23136060 is about 4809.9958419940. The cubic root of 23136060 is about 284.9463734127.

Adding to 23136060 its reverse (6063132), we get a palindrome (29199192).

The spelling of 23136060 in words is "twenty-three million, one hundred thirty-six thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 5431 10862 16293 21724 27155 32586 54310 65172 81465 108620 162930 325860 385601 771202 1156803 1542404 1928005 2313606 3856010 4627212 5784015 7712020 11568030 23136060