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23494680 = 233251117349
BaseRepresentation
bin101100110100…
…0000000011000
31122012122122100
41121220000120
522003312210
62155323400
7403462416
oct131500030
948178570
1023494680
11122979a0
127a50560
134b37ca1
1431982b6
1520e15c0
hex1668018

23494680 has 192 divisors, whose sum is σ = 88452000. Its totient is φ = 5345280.

The previous prime is 23494673. The next prime is 23494687. The reversal of 23494680 is 8649432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23494673) and next prime (23494687).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67146 + ... + 67494.

Almost surely, 223494680 is an apocalyptic number.

23494680 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 23494680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44226000).

23494680 is an abundant number, since it is smaller than the sum of its proper divisors (64957320).

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

23494680 is a wasteful number, since it uses less digits than its factorization.

23494680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 23494680 is about 4847.1311102548. The cubic root of 23494680 is about 286.4110996707.

The spelling of 23494680 in words is "twenty-three million, four hundred ninety-four thousand, six hundred eighty".