Search a number
-
+
23893971 = 337215261
BaseRepresentation
bin101101100100…
…1011111010011
31122221221100220
41123021133103
522104101341
62212044123
7410044503
oct133113723
948857326
1023893971
111253a992
128003643
134c4795a
14325da03
15216ea66
hex16c97d3

23893971 has 8 divisors (see below), whose sum is σ = 32719824. Its totient is φ = 15498720.

The previous prime is 23893967. The next prime is 23893981. The reversal of 23893971 is 17939832.

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

It is not a de Polignac number, because 23893971 - 22 = 23893967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23893921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107520 + ... + 107741.

It is an arithmetic number, because the mean of its divisors is an integer number (4089978).

Almost surely, 223893971 is an apocalyptic number.

23893971 is a deficient number, since it is larger than the sum of its proper divisors (8825853).

23893971 is a wasteful number, since it uses less digits than its factorization.

23893971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215301.

The product of its digits is 81648, while the sum is 42.

The square root of 23893971 is about 4888.1459675423. The cubic root of 23893971 is about 288.0245084274.

The spelling of 23893971 in words is "twenty-three million, eight hundred ninety-three thousand, nine hundred seventy-one".

Divisors: 1 3 37 111 215261 645783 7964657 23893971