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553397923 = 131729791093
BaseRepresentation
bin100000111111000…
…010111010100011
31102120022112020101
4200333002322203
52113132213143
6130525123231
716466543011
oct4077027243
91376275211
10553397923
11264419061
121353b9517
138a85ccc0
14536d58b1
15338b4b4d
hex20fc2ea3

553397923 has 32 divisors (see below), whose sum is σ = 661651200. Its totient is φ = 457906176.

The previous prime is 553397921. The next prime is 553397939. The reversal of 553397923 is 329793355.

553397923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553397923 - 21 = 553397921 is a prime.

It is a super-2 number, since 2×5533979232 = 612498522361427858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553397921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505765 + ... + 506857.

It is an arithmetic number, because the mean of its divisors is an integer number (20676600).

Almost surely, 2553397923 is an apocalyptic number.

553397923 is a deficient number, since it is larger than the sum of its proper divisors (108253277).

553397923 is a wasteful number, since it uses less digits than its factorization.

553397923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its digits is 765450, while the sum is 46.

The square root of 553397923 is about 23524.4112147361. The cubic root of 553397923 is about 821.0050748330.

The spelling of 553397923 in words is "five hundred fifty-three million, three hundred ninety-seven thousand, nine hundred twenty-three".

Divisors: 1 13 17 29 79 221 377 493 1027 1093 1343 2291 6409 14209 17459 18581 29783 31697 38947 86347 241553 412061 506311 538849 1122511 1467899 2504063 7005037 19082687 32552819 42569071 553397923