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13842477 = 3211373779
BaseRepresentation
bin110100110011…
…100000101101
3222001021022100
4310303200231
512020424402
61212405313
7225442035
oct64634055
928037270
1013842477
1178a5070
124776839
132b3881c
141ba48c5
15133671c
hexd3382d

13842477 has 24 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 8160480.

The previous prime is 13842473. The next prime is 13842497. The reversal of 13842477 is 77424831.

It is a happy number.

13842477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13842477 - 22 = 13842473 is a prime.

It is a super-2 number, since 2×138424772 = 383228338991058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13842473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 213842477 is an apocalyptic number.

It is an amenable number.

13842477 is a deficient number, since it is larger than the sum of its proper divisors (8565363).

13842477 is a wasteful number, since it uses less digits than its factorization.

13842477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833 (or 3830 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 13842477 is about 3720.5479435158. The cubic root of 13842477 is about 240.1068794795.

The spelling of 13842477 in words is "thirteen million, eight hundred forty-two thousand, four hundred seventy-seven".

Divisors: 1 3 9 11 33 37 99 111 333 407 1221 3663 3779 11337 34011 41569 124707 139823 374121 419469 1258407 1538053 4614159 13842477