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13620476 = 226195501
BaseRepresentation
bin110011111101…
…010011111100
3221121222210002
4303331103330
511441323401
61203533432
7223525562
oct63752374
927558702
1013620476
1177632a1
12468a278
132a8b76c
141b47a32
1512e0a6b
hexcfd4fc

13620476 has 12 divisors (see below), whose sum is σ = 23878680. Its totient is φ = 6798000.

The previous prime is 13620461. The next prime is 13620479. The reversal of 13620476 is 67402631.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620479) 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, 275 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (1989890).

Almost surely, 213620476 is an apocalyptic number.

It is an amenable number.

13620476 is a deficient number, since it is larger than the sum of its proper divisors (10258204).

13620476 is a wasteful number, since it uses less digits than its factorization.

13620476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13620476 is about 3690.5929062957. The cubic root of 13620476 is about 238.8163712663.

The spelling of 13620476 in words is "thirteen million, six hundred twenty thousand, four hundred seventy-six".

Divisors: 1 2 4 619 1238 2476 5501 11002 22004 3405119 6810238 13620476