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13711477 = 133792
BaseRepresentation
bin110100010011…
…100001110101
3221210121121111
4310103201311
512002231402
61205515021
7224355103
oct64234165
927717544
1013711477
1178156aa
124712a71
132ac1000
141b6cc73
15130c9d7
hexd13875

13711477 has 12 divisors (see below), whose sum is σ = 15043980. Its totient is φ = 12496536.

The previous prime is 13711447. The next prime is 13711499. The reversal of 13711477 is 77411731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13711477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 13205956 = 711^2 + 3634^2 .

It is a de Polignac number, because none of the positive numbers 2k-13711477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13711417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173524 + ... + 173602.

It is an arithmetic number, because the mean of its divisors is an integer number (1253665).

Almost surely, 213711477 is an apocalyptic number.

It is an amenable number.

13711477 is a deficient number, since it is larger than the sum of its proper divisors (1332503).

13711477 is an frugal number, since it uses more digits than its factorization.

13711477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 92 counting only the distinct ones).

The product of its digits is 4116, while the sum is 31.

The square root of 13711477 is about 3702.9011599015. The cubic root of 13711477 is about 239.3470504126.

The spelling of 13711477 in words is "thirteen million, seven hundred eleven thousand, four hundred seventy-seven".

Divisors: 1 13 79 169 1027 2197 6241 13351 81133 173563 1054729 13711477