[go: up one dir, main page]

Search a number
-
+
12392900 = 2252139533
BaseRepresentation
bin101111010001…
…100111000100
3212022121212022
4233101213010
511133033100
61121342312
7210223622
oct57214704
925277768
1012392900
116aa4a73
124197998
13274baa0
141908512
15114be85
hexbd19c4

12392900 has 36 divisors (see below), whose sum is σ = 28964292. Its totient is φ = 4575360.

The previous prime is 12392899. The next prime is 12392911. The reversal of 12392900 is 929321.

12392900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3041536 + 9351364 = 1744^2 + 3058^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12392900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3467 + ... + 6066.

Almost surely, 212392900 is an apocalyptic number.

12392900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12392900 is an abundant number, since it is smaller than the sum of its proper divisors (16571392).

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

12392900 is a wasteful number, since it uses less digits than its factorization.

12392900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560 (or 9553 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 12392900 is about 3520.3550957254. The cubic root of 12392900 is about 231.4147207219.

The spelling of 12392900 in words is "twelve million, three hundred ninety-two thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 9533 19066 38132 47665 95330 123929 190660 238325 247858 476650 495716 619645 953300 1239290 2478580 3098225 6196450 12392900