Search a number
-
+
13420832 = 25419401
BaseRepresentation
bin110011001100…
…100100100000
3221020211220212
4303030210200
511413431312
61155353252
7222034535
oct63144440
927224825
1013420832
1176372a7
1245b2828
132a1b929
141ad4d8c
1512a1822
hexccc920

13420832 has 12 divisors (see below), whose sum is σ = 26422326. Its totient is φ = 6710400.

The previous prime is 13420807. The next prime is 13420873. The reversal of 13420832 is 23802431.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 4682896 = 2956^2 + 2164^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13420798 and 13420807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209669 + ... + 209732.

Almost surely, 213420832 is an apocalyptic number.

It is an amenable number.

13420832 is a deficient number, since it is larger than the sum of its proper divisors (13001494).

13420832 is an equidigital number, since it uses as much as digits as its factorization.

13420832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419411 (or 419403 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13420832 is about 3663.4453728696. The cubic root of 13420832 is about 237.6437954693.

The spelling of 13420832 in words is "thirteen million, four hundred twenty thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 32 419401 838802 1677604 3355208 6710416 13420832