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23914830 = 235797161
BaseRepresentation
bin101101100111…
…0100101001110
31122222222222110
41123032211032
522110233310
62212324450
7410162352
oct133164516
948888873
1023914830
1112554625
128013726
134c542b4
143267462
152175d20
hex16ce94e

23914830 has 16 divisors (see below), whose sum is σ = 57395664. Its totient is φ = 6377280.

The previous prime is 23914799. The next prime is 23914843. The reversal of 23914830 is 3841932.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 797161 = 23914830 / (2 + 3 + 9 + 1 + 4 + 8 + 3 + 0).

It is a congruent number.

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, 398551 + ... + 398610.

It is an arithmetic number, because the mean of its divisors is an integer number (3587229).

Almost surely, 223914830 is an apocalyptic number.

23914830 is an abundant number, since it is smaller than the sum of its proper divisors (33480834).

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

23914830 is a wasteful number, since it uses less digits than its factorization.

23914830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797171.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23914830 is about 4890.2791331375. The cubic root of 23914830 is about 288.1082974274.

The spelling of 23914830 in words is "twenty-three million, nine hundred fourteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 797161 1594322 2391483 3985805 4782966 7971610 11957415 23914830