Search a number
-
+
12473872 = 24779617
BaseRepresentation
bin101111100101…
…011000010000
3212110201221021
4233211120100
511143130442
61123205224
7211011655
oct57453020
925421837
1012473872
11704a894
124216814
1327798b8
141929c2c
151165e67
hexbe5610

12473872 has 10 divisors (see below), whose sum is σ = 24168158. Its totient is φ = 6236928.

The previous prime is 12473849. The next prime is 12473891. The reversal of 12473872 is 27837421.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 5588496 = 2624^2 + 2364^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389793 + ... + 389824.

Almost surely, 212473872 is an apocalyptic number.

It is an amenable number.

12473872 is a deficient number, since it is larger than the sum of its proper divisors (11694286).

12473872 is an equidigital number, since it uses as much as digits as its factorization.

12473872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779625 (or 779619 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 12473872 is about 3531.8369158272. The cubic root of 12473872 is about 231.9176283079.

The spelling of 12473872 in words is "twelve million, four hundred seventy-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 779617 1559234 3118468 6236936 12473872