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13684554 = 2321358481
BaseRepresentation
bin110100001100…
…111101001010
3221202020200100
4310030331022
512000401204
61205150230
7224213442
oct64147512
927666610
1013684554
1177a7454
1246bb376
132ab1990
141b63122
151304a39
hexd0cf4a

13684554 has 24 divisors (see below), whose sum is σ = 31931172. Its totient is φ = 4210560.

The previous prime is 13684537. The next prime is 13684571. The reversal of 13684554 is 45548631.

It is a happy number.

13684554 is digitally balanced in base 2, 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 (13684537) and next prime (13684571).

It can be written as a sum of positive squares in 2 ways, for example, as 13505625 + 178929 = 3675^2 + 423^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29007 + ... + 29474.

Almost surely, 213684554 is an apocalyptic number.

13684554 is an abundant number, since it is smaller than the sum of its proper divisors (18246618).

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

13684554 is a wasteful number, since it uses less digits than its factorization.

13684554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58502 (or 58499 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 13684554 is about 3699.2639808481. The cubic root of 13684554 is about 239.1902921270.

The spelling of 13684554 in words is "thirteen million, six hundred eighty-four thousand, five hundred fifty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 58481 116962 175443 350886 526329 760253 1052658 1520506 2280759 4561518 6842277 13684554