Search a number
-
+
13769826 = 237327853
BaseRepresentation
bin110100100001…
…110001100010
3221220120122120
4310201301202
512011113301
61211045110
7225020160
oct64416142
927816576
1013769826
117855524
124740796
132b11735
141b86230
15131ee36
hexd21c62

13769826 has 16 divisors (see below), whose sum is σ = 31473984. Its totient is φ = 3934224.

The previous prime is 13769759. The next prime is 13769827. The reversal of 13769826 is 62896731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 327853 = 13769826 / (1 + 3 + 7 + 6 + 9 + 8 + 2 + 6).

It is not an unprimeable number, because it can be changed into a prime (13769827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163885 + ... + 163968.

It is an arithmetic number, because the mean of its divisors is an integer number (1967124).

Almost surely, 213769826 is an apocalyptic number.

13769826 is an abundant number, since it is smaller than the sum of its proper divisors (17704158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13769826 is a wasteful number, since it uses less digits than its factorization.

13769826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327865.

The product of its digits is 108864, while the sum is 42.

The square root of 13769826 is about 3710.7716178714. The cubic root of 13769826 is about 239.6860826341.

The spelling of 13769826 in words is "thirteen million, seven hundred sixty-nine thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 327853 655706 983559 1967118 2294971 4589942 6884913 13769826