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23010380 = 2251150519
BaseRepresentation
bin101011111000…
…1110001001100
31121022001022022
41113301301030
521342313010
62141105312
7366404441
oct127616114
947261268
1023010380
1111a97048
127858238
1349c8713
1430ad9c8
152047d55
hex15f1c4c

23010380 has 12 divisors (see below), whose sum is σ = 48321840. Its totient is φ = 9204144.

The previous prime is 23010347. The next prime is 23010433. The reversal of 23010380 is 8301032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575240 + ... + 575279.

It is an arithmetic number, because the mean of its divisors is an integer number (4026820).

Almost surely, 223010380 is an apocalyptic number.

23010380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23010380 is an abundant number, since it is smaller than the sum of its proper divisors (25311460).

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

23010380 is a wasteful number, since it uses less digits than its factorization.

23010380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150528 (or 1150526 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23010380 is about 4796.9135910500. The cubic root of 23010380 is about 284.4294732020.

The spelling of 23010380 in words is "twenty-three million, ten thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1150519 2301038 4602076 5752595 11505190 23010380