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531106480 = 24510165731
BaseRepresentation
bin11111101010000…
…000101010110000
31101000101000010101
4133222000222300
52041430401410
6124411242144
716106221252
oct3752005260
91330330111
10531106480
11252883183
12129a49354
13860568b8
1450771cd2
153195ed3a
hex1fa80ab0

531106480 has 40 divisors (see below), whose sum is σ = 1247067504. Its totient is φ = 210336000.

The previous prime is 531106453. The next prime is 531106489. The reversal of 531106480 is 84601135.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (531106489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24786 + ... + 40945.

Almost surely, 2531106480 is an apocalyptic number.

It is an amenable number.

531106480 is an abundant number, since it is smaller than the sum of its proper divisors (715961024).

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

531106480 is a wasteful number, since it uses less digits than its factorization.

531106480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65845 (or 65839 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 531106480 is about 23045.7475469988. The cubic root of 531106480 is about 809.8300105607.

The spelling of 531106480 in words is "five hundred thirty-one million, one hundred six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 404 505 808 1010 1616 2020 4040 8080 65731 131462 262924 328655 525848 657310 1051696 1314620 2629240 5258480 6638831 13277662 26555324 33194155 53110648 66388310 106221296 132776620 265553240 531106480