[go: up one dir, main page]

Search a number
-
+
13790372 = 228938737
BaseRepresentation
bin110100100110…
…110010100100
3221221121211112
4310212302210
512012242442
61211324152
7225134111
oct64466244
927847745
1013790372
117869a02
124750658
132b1abab
141b8d908
151326082
hexd26ca4

13790372 has 12 divisors (see below), whose sum is σ = 24404940. Its totient is φ = 6817536.

The previous prime is 13790369. The next prime is 13790389. The reversal of 13790372 is 27309731.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 11874916 = 1384^2 + 3446^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 19013 + ... + 19724.

It is an arithmetic number, because the mean of its divisors is an integer number (2033745).

Almost surely, 213790372 is an apocalyptic number.

It is an amenable number.

13790372 is a deficient number, since it is larger than the sum of its proper divisors (10614568).

13790372 is a wasteful number, since it uses less digits than its factorization.

13790372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38830 (or 38828 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13790372 is about 3713.5390128555. The cubic root of 13790372 is about 239.8052355062.

It can be divided in two parts, 137 and 90372, that added together give a palindrome (90509).

The spelling of 13790372 in words is "thirteen million, seven hundred ninety thousand, three hundred seventy-two".

Divisors: 1 2 4 89 178 356 38737 77474 154948 3447593 6895186 13790372