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23129294 = 211564647
BaseRepresentation
bin101100000111…
…0110011001110
31121112002102112
41120032303032
521410114134
62143424022
7400411226
oct130166316
947462375
1023129294
1112068421
1278b5012
134a3a896
143101086
15206d1ce
hex160ecce

23129294 has 4 divisors (see below), whose sum is σ = 34693944. Its totient is φ = 11564646.

The previous prime is 23129291. The next prime is 23129339. The reversal of 23129294 is 49292132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23129294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782322 + ... + 5782325.

It is an arithmetic number, because the mean of its divisors is an integer number (8673486).

Almost surely, 223129294 is an apocalyptic number.

23129294 is a deficient number, since it is larger than the sum of its proper divisors (11564650).

23129294 is a wasteful number, since it uses less digits than its factorization.

23129294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564649.

The product of its digits is 7776, while the sum is 32.

The square root of 23129294 is about 4809.2924635543. The cubic root of 23129294 is about 284.9185937600.

The spelling of 23129294 in words is "twenty-three million, one hundred twenty-nine thousand, two hundred ninety-four".

Divisors: 1 2 11564647 23129294