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28473455604 = 22311991217667
BaseRepresentation
bin11010100001001001…
…100111001111110100
32201111100211102010210
4122201021213033310
5431303201034404
621025220545420
72025412244046
oct324111471764
981440742123
1028473455604
11110915836a0
125627852270
1328ba03a9a9
1415417d5a96
15b19ad9689
hex6a12673f4

28473455604 has 48 divisors (see below), whose sum is σ = 72551356416. Its totient is φ = 8619573600.

The previous prime is 28473455603. The next prime is 28473455609. The reversal of 28473455604 is 40655437482.

It is a super-4 number, since 4×284734556044 (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28473455603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21979 + ... + 239645.

It is an arithmetic number, because the mean of its divisors is an integer number (1511486592).

Almost surely, 228473455604 is an apocalyptic number.

It is an amenable number.

28473455604 is an abundant number, since it is smaller than the sum of its proper divisors (44077900812).

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

28473455604 is a wasteful number, since it uses less digits than its factorization.

28473455604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218676 (or 218674 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 28473455604 in words is "twenty-eight billion, four hundred seventy-three million, four hundred fifty-five thousand, six hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 991 1982 2973 3964 5946 10901 11892 21802 32703 43604 65406 130812 217667 435334 653001 870668 1306002 2394337 2612004 4788674 7183011 9577348 14366022 28732044 215707997 431415994 647123991 862831988 1294247982 2372787967 2588495964 4745575934 7118363901 9491151868 14236727802 28473455604