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13872772 = 2223150791
BaseRepresentation
bin110100111010…
…111010000100
3222002210212101
4310322322010
512022412042
61213201444
7225626254
oct64727204
928083771
1013872772
117915901
124790284
132b49554
141bb1964
1513406b7
hexd3ae84

13872772 has 12 divisors (see below), whose sum is σ = 25333056. Its totient is φ = 6634760.

The previous prime is 13872763. The next prime is 13872773. The reversal of 13872772 is 27727831.

13872772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13872773) 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, 75304 + ... + 75487.

It is an arithmetic number, because the mean of its divisors is an integer number (2111088).

Almost surely, 213872772 is an apocalyptic number.

It is an amenable number.

13872772 is a deficient number, since it is larger than the sum of its proper divisors (11460284).

13872772 is a wasteful number, since it uses less digits than its factorization.

13872772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150818 (or 150816 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 13872772 is about 3724.6170272929. The cubic root of 13872772 is about 240.2819140926.

The spelling of 13872772 in words is "thirteen million, eight hundred seventy-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 23 46 92 150791 301582 603164 3468193 6936386 13872772