Search a number
-
+
23047071 = 3127241251
BaseRepresentation
bin101011111101…
…0101110011111
31121100220122020
41113322232133
521400001241
62141551223
7366616425
oct127725637
947326566
1023047071
1112011673
127875513
134a0c328
1430bd115
152053b66
hex15fab9f

23047071 has 16 divisors (see below), whose sum is σ = 31223808. Its totient is φ = 15120000.

The previous prime is 23047067. The next prime is 23047091. The reversal of 23047071 is 17074032.

It is not a de Polignac number, because 23047071 - 22 = 23047067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23047001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91696 + ... + 91946.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 223047071 is an apocalyptic number.

23047071 is a deficient number, since it is larger than the sum of its proper divisors (8176737).

23047071 is a wasteful number, since it uses less digits than its factorization.

23047071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 23047071 is about 4800.7365059957. The cubic root of 23047071 is about 284.5805710954.

The spelling of 23047071 in words is "twenty-three million, forty-seven thousand, seventy-one".

Divisors: 1 3 127 241 251 381 723 753 30607 31877 60491 91821 95631 181473 7682357 23047071