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23051130 = 235768371
BaseRepresentation
bin101011111101…
…1101101111010
31121101010012120
41113323231322
521400114010
62142022110
7366634314
oct127735572
947333176
1023051130
1112014723
127877936
134a1112b
1430c07b4
152054e70
hex15fbb7a

23051130 has 16 divisors (see below), whose sum is σ = 55322784. Its totient is φ = 6146960.

The previous prime is 23051081. The next prime is 23051183. The reversal of 23051130 is 3115032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384156 + ... + 384215.

It is an arithmetic number, because the mean of its divisors is an integer number (3457674).

Almost surely, 223051130 is an apocalyptic number.

23051130 is an abundant number, since it is smaller than the sum of its proper divisors (32271654).

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

23051130 is a wasteful number, since it uses less digits than its factorization.

23051130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768381.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 23051130 is about 4801.1592350181. The cubic root of 23051130 is about 284.5972766850.

Adding to 23051130 its reverse (3115032), we get a palindrome (26166162).

It can be divided in two parts, 230 and 51130, that added together give a triangular number (51360 = T320).

The spelling of 23051130 in words is "twenty-three million, fifty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 768371 1536742 2305113 3841855 4610226 7683710 11525565 23051130