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23801995 = 57297151
BaseRepresentation
bin101101011001…
…1000010001011
31122210021012101
41122303002023
522043130440
62210054231
7406212400
oct132630213
948707171
1023801995
1112487878
127b7a377
134c14b29
1432382a7
15215269a
hex16b308b

23801995 has 12 divisors (see below), whose sum is σ = 33225984. Its totient is φ = 16321200.

The previous prime is 23801971. The next prime is 23802001. The reversal of 23801995 is 59910832.

It is not a de Polignac number, because 23801995 - 29 = 23801483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48331 + ... + 48820.

It is an arithmetic number, because the mean of its divisors is an integer number (2768832).

Almost surely, 223801995 is an apocalyptic number.

23801995 is a deficient number, since it is larger than the sum of its proper divisors (9423989).

23801995 is an equidigital number, since it uses as much as digits as its factorization.

23801995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97170 (or 97163 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 23801995 is about 4878.7288303410. The cubic root of 23801995 is about 287.6544651997.

The spelling of 23801995 in words is "twenty-three million, eight hundred one thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 49 245 97151 485755 680057 3400285 4760399 23801995