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23729038 = 225147269
BaseRepresentation
bin101101010000…
…1001110001110
31122122120010021
41122201032032
522033312123
62204332354
7405456604
oct132411616
948576107
1023729038
1112437a83
127b440ba
134bba868
143219874
15213ac5d
hex16a138e

23729038 has 8 divisors (see below), whose sum is σ = 35736120. Its totient is φ = 11817000.

The previous prime is 23729029. The next prime is 23729039. The reversal of 23729038 is 83092732.

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

It is a junction number, because it is equal to n+sod(n) for n = 23728994 and 23729012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23133 + ... + 24136.

It is an arithmetic number, because the mean of its divisors is an integer number (4467015).

Almost surely, 223729038 is an apocalyptic number.

23729038 is a deficient number, since it is larger than the sum of its proper divisors (12007082).

23729038 is a wasteful number, since it uses less digits than its factorization.

23729038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47522.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23729038 is about 4871.2460418254. The cubic root of 23729038 is about 287.3602617704.

The spelling of 23729038 in words is "twenty-three million, seven hundred twenty-nine thousand, thirty-eight".

Divisors: 1 2 251 502 47269 94538 11864519 23729038