Search a number
-
+
23137834 = 211568917
BaseRepresentation
bin101100001000…
…0111000101010
31121112112010211
41120100320222
521410402314
62143531334
7400445146
oct130207052
947475124
1023137834
1112073885
1278b9b4a
134a41735
143104226
1520709c4
hex1610e2a

23137834 has 4 divisors (see below), whose sum is σ = 34706754. Its totient is φ = 11568916.

The previous prime is 23137831. The next prime is 23137837. The reversal of 23137834 is 43873132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23137831) and next prime (23137837).

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 11256025 = 3447^2 + 3355^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23137796 and 23137805.

It is not an unprimeable number, because it can be changed into a prime (23137831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5784457 + ... + 5784460.

Almost surely, 223137834 is an apocalyptic number.

23137834 is a deficient number, since it is larger than the sum of its proper divisors (11568920).

23137834 is a wasteful number, since it uses less digits than its factorization.

23137834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568919.

The product of its digits is 12096, while the sum is 31.

The square root of 23137834 is about 4810.1802461031. The cubic root of 23137834 is about 284.9536561558.

The spelling of 23137834 in words is "twenty-three million, one hundred thirty-seven thousand, eight hundred thirty-four".

Divisors: 1 2 11568917 23137834