[go: up one dir, main page]

Search a number
-
+
12872494 = 220173191
BaseRepresentation
bin110001000110…
…101100101110
3220012222202001
4301012230232
511243404434
61135522514
7214262065
oct61065456
926188661
1012872494
1172a2328
12438943a
13288917b
1419d11dc
1511e4114
hexc46b2e

12872494 has 8 divisors (see below), whose sum is σ = 19324368. Its totient is φ = 6431040.

The previous prime is 12872473. The next prime is 12872507. The reversal of 12872494 is 49427821.

12872494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×128724942 = 331402203560072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (2415546).

Almost surely, 212872494 is an apocalyptic number.

12872494 is a deficient number, since it is larger than the sum of its proper divisors (6451874).

12872494 is a wasteful number, since it uses less digits than its factorization.

12872494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210.

The product of its digits is 32256, while the sum is 37.

The square root of 12872494 is about 3587.8258040211. The cubic root of 12872494 is about 234.3621999291.

It can be divided in two parts, 12872 and 494, that added together give a triangular number (13366 = T163).

The spelling of 12872494 in words is "twelve million, eight hundred seventy-two thousand, four hundred ninety-four".

Divisors: 1 2 2017 3191 4034 6382 6436247 12872494