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13650901 = 111240991
BaseRepresentation
bin110100000100…
…101111010101
3221200112111221
4310010233111
511443312101
61204330341
7224013355
oct64045725
927615457
1013650901
117784140
1246a39b1
132a9c574
141b54b65
1512e9aa1
hexd04bd5

13650901 has 4 divisors (see below), whose sum is σ = 14891904. Its totient is φ = 12409900.

The previous prime is 13650887. The next prime is 13650913. The reversal of 13650901 is 10905631.

13650901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13650901 is a prime.

It is a super-2 number, since 2×136509012 = 372694196223602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650941) 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, 620485 + ... + 620506.

It is an arithmetic number, because the mean of its divisors is an integer number (3722976).

Almost surely, 213650901 is an apocalyptic number.

13650901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13650901 is a deficient number, since it is larger than the sum of its proper divisors (1241003).

13650901 is a wasteful number, since it uses less digits than its factorization.

13650901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241002.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 13650901 is about 3694.7125733946. The cubic root of 13650901 is about 238.9940592467.

The spelling of 13650901 in words is "thirteen million, six hundred fifty thousand, nine hundred one".

Divisors: 1 11 1240991 13650901