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23026680 = 2335523103
BaseRepresentation
bin101011111010…
…1101111111000
31121022212200000
41113311233320
521343323210
62141313000
7366503115
oct127655770
947285600
1023026680
1111aa8316
127865760
134a02c71
1430b590c
15204cac0
hex15f5bf8

23026680 has 192 divisors, whose sum is σ = 81768960. Its totient is φ = 5816448.

The previous prime is 23026631. The next prime is 23026699. The reversal of 23026680 is 8662032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223509 + ... + 223611.

It is an arithmetic number, because the mean of its divisors is an integer number (425880).

Almost surely, 223026680 is an apocalyptic number.

23026680 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 23026680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40884480).

23026680 is an abundant number, since it is smaller than the sum of its proper divisors (58742280).

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

23026680 is a wasteful number, since it uses less digits than its factorization.

23026680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23026680 is about 4798.6122994049. The cubic root of 23026680 is about 284.4966183501.

The spelling of 23026680 in words is "twenty-three million, twenty-six thousand, six hundred eighty".