Search a number
-
+
12157374 = 232026229
BaseRepresentation
bin101110011000…
…000110111110
3211212122210010
4232120012332
511103013444
61112324050
7205223145
oct56300676
924778703
1012157374
116954019
1240a3626
132698818
14188675c
1511022b9
hexb981be

12157374 has 8 divisors (see below), whose sum is σ = 24314760. Its totient is φ = 4052456.

The previous prime is 12157367. The next prime is 12157391. The reversal of 12157374 is 47375121.

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

12157374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1013109 + ... + 1013120.

It is an arithmetic number, because the mean of its divisors is an integer number (3039345).

Almost surely, 212157374 is an apocalyptic number.

12157374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12157374 is a wasteful number, since it uses less digits than its factorization.

12157374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026234.

The product of its digits is 5880, while the sum is 30.

The square root of 12157374 is about 3486.7426059289. The cubic root of 12157374 is about 229.9393286725.

The spelling of 12157374 in words is "twelve million, one hundred fifty-seven thousand, three hundred seventy-four".

Divisors: 1 2 3 6 2026229 4052458 6078687 12157374