Search a number
-
+
23140954 = 211570477
BaseRepresentation
bin101100001000…
…1101001011010
31121112200102101
41120101221122
521411002304
62143554014
7400460224
oct130215132
947480371
1023140954
1112076161
1278bb90a
134a42c95
143105414
1520718a4
hex1611a5a

23140954 has 4 divisors (see below), whose sum is σ = 34711434. Its totient is φ = 11570476.

The previous prime is 23140937. The next prime is 23140963. The reversal of 23140954 is 45904132.

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

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 1750329 = 4625^2 + 1323^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785237 + ... + 5785240.

Almost surely, 223140954 is an apocalyptic number.

23140954 is a deficient number, since it is larger than the sum of its proper divisors (11570480).

23140954 is a wasteful number, since it uses less digits than its factorization.

23140954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11570479.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 23140954 is about 4810.5045473422. The cubic root of 23140954 is about 284.9664636850.

The spelling of 23140954 in words is "twenty-three million, one hundred forty thousand, nine hundred fifty-four".

Divisors: 1 2 11570477 23140954