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13701405 = 351753731
BaseRepresentation
bin110100010001…
…000100011101
3221210002210110
4310101010131
512001421110
61205400233
7224313534
oct64210435
927702713
1013701405
117809083
124709079
132ab9553
141b6931b
151309a20
hexd1111d

13701405 has 16 divisors (see below), whose sum is σ = 23212224. Its totient is φ = 6877440.

The previous prime is 13701403. The next prime is 13701407. The reversal of 13701405 is 50410731.

13701405 is nontrivially palindromic in base 16.

13701405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13701403) and next prime (13701407).

It is not a de Polignac number, because 13701405 - 21 = 13701403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13701403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26611 + ... + 27120.

It is an arithmetic number, because the mean of its divisors is an integer number (1450764).

Almost surely, 213701405 is an apocalyptic number.

13701405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13701405 is a deficient number, since it is larger than the sum of its proper divisors (9510819).

13701405 is a wasteful number, since it uses less digits than its factorization.

13701405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53756.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13701405 is about 3701.5408953570. The cubic root of 13701405 is about 239.2884305667.

It can be divided in two parts, 1370 and 1405, that added together give a triangular number (2775 = T74).

The spelling of 13701405 in words is "thirteen million, seven hundred one thousand, four hundred five".

Divisors: 1 3 5 15 17 51 85 255 53731 161193 268655 805965 913427 2740281 4567135 13701405