Search a number
-
+
12057448 = 2313191607
BaseRepresentation
bin101101111111…
…101101101000
3211200120201011
4231333231220
511041314243
61110233304
7204325624
oct55775550
924616634
1012057448
116895a37
124055834
1326621b0
14185c184
1510d289d
hexb7fb68

12057448 has 32 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 5526720.

The previous prime is 12057431. The next prime is 12057467. The reversal of 12057448 is 84475021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19561 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 212057448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12057448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12257280).

12057448 is an abundant number, since it is smaller than the sum of its proper divisors (12457112).

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

12057448 is a wasteful number, since it uses less digits than its factorization.

12057448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12057448 is about 3472.3836193600. The cubic root of 12057448 is about 229.3076089618.

The spelling of 12057448 in words is "twelve million, fifty-seven thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 191 382 607 764 1214 1528 2428 2483 4856 4966 7891 9932 15782 19864 31564 63128 115937 231874 463748 927496 1507181 3014362 6028724 12057448