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13554740 = 225677737
BaseRepresentation
bin110011101101…
…010000110100
3221111122121102
4303231100310
511432222430
61202305232
7223133123
oct63552064
927448542
1013554740
117718971
124658218
132a67874
141b2baba
1512cb345
hexced434

13554740 has 12 divisors (see below), whose sum is σ = 28464996. Its totient is φ = 5421888.

The previous prime is 13554727. The next prime is 13554743. The reversal of 13554740 is 4745531.

13554740 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 9278116 + 4276624 = 3046^2 + 2068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13554743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338849 + ... + 338888.

It is an arithmetic number, because the mean of its divisors is an integer number (2372083).

Almost surely, 213554740 is an apocalyptic number.

13554740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13554740 is an abundant number, since it is smaller than the sum of its proper divisors (14910256).

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

13554740 is a wasteful number, since it uses less digits than its factorization.

13554740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677746 (or 677744 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 13554740 is about 3681.6762486672. The cubic root of 13554740 is about 238.4315546494.

The spelling of 13554740 in words is "thirteen million, five hundred fifty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 677737 1355474 2710948 3388685 6777370 13554740