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13850406 = 233256489
BaseRepresentation
bin110100110101…
…011100100110
3222001200012000
4310311130212
512021203111
61212510130
7225504123
oct64653446
928050160
1013850406
117900019
12477b346
132b3c30b
141ba774a
151338c56
hexd35726

13850406 has 16 divisors (see below), whose sum is σ = 30778800. Its totient is φ = 4616784.

The previous prime is 13850387. The next prime is 13850407. The reversal of 13850406 is 60405831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13850406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13850407) 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 7 ways as a sum of consecutive naturals, for example, 128191 + ... + 128298.

It is an arithmetic number, because the mean of its divisors is an integer number (1923675).

Almost surely, 213850406 is an apocalyptic number.

13850406 is an abundant number, since it is smaller than the sum of its proper divisors (16928394).

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

13850406 is a wasteful number, since it uses less digits than its factorization.

13850406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256500 (or 256494 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13850406 is about 3721.6133598212. The cubic root of 13850406 is about 240.1527153045.

The spelling of 13850406 in words is "thirteen million, eight hundred fifty thousand, four hundred six".

Divisors: 1 2 3 6 9 18 27 54 256489 512978 769467 1538934 2308401 4616802 6925203 13850406