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23813438 = 2111082429
BaseRepresentation
bin101101011010…
…1110100111110
31122210211220012
41122311310332
522044012223
62210223222
7406260635
oct132656476
948724805
1023813438
1112495430
127b84b12
134c1a0bc
14323c51c
152155c78
hex16b5d3e

23813438 has 8 divisors (see below), whose sum is σ = 38967480. Its totient is φ = 10824280.

The previous prime is 23813411. The next prime is 23813453. The reversal of 23813438 is 83431832.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541193 + ... + 541236.

It is an arithmetic number, because the mean of its divisors is an integer number (4870935).

Almost surely, 223813438 is an apocalyptic number.

23813438 is a deficient number, since it is larger than the sum of its proper divisors (15154042).

23813438 is a wasteful number, since it uses less digits than its factorization.

23813438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082442.

The product of its digits is 13824, while the sum is 32.

The square root of 23813438 is about 4879.9014334308. The cubic root of 23813438 is about 287.7005552116.

The spelling of 23813438 in words is "twenty-three million, eight hundred thirteen thousand, four hundred thirty-eight".

Divisors: 1 2 11 22 1082429 2164858 11906719 23813438