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13070032 = 241137229
BaseRepresentation
bin110001110110…
…111011010000
3220121000201021
4301312323100
511321220112
61144045224
7216044023
oct61667320
926530637
1013070032
117417788
124463814
132928061
141a431ba
151232907
hexc76ed0

13070032 has 20 divisors (see below), whose sum is σ = 25550820. Its totient is φ = 6476288.

The previous prime is 13070023. The next prime is 13070033. The reversal of 13070032 is 23007031.

It can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 5973136 = 2664^2 + 2444^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13069988 and 13070015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (1277541).

Almost surely, 213070032 is an apocalyptic number.

13070032 is the 1808-th decagonal number.

It is an amenable number.

13070032 is a deficient number, since it is larger than the sum of its proper divisors (12480788).

13070032 is a wasteful number, since it uses less digits than its factorization.

13070032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350 (or 7344 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 13070032 is about 3615.2499222045. The cubic root of 13070032 is about 235.5549402038.

Adding to 13070032 its reverse (23007031), we get a palindrome (36077063).

The spelling of 13070032 in words is "thirteen million, seventy thousand, thirty-two".

Divisors: 1 2 4 8 16 113 226 452 904 1808 7229 14458 28916 57832 115664 816877 1633754 3267508 6535016 13070032