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980080520 = 23529844897
BaseRepresentation
bin111010011010101…
…101011110001000
32112022012020201112
4322122231132020
54001400034040
6241130305452
733200355416
oct7232553610
92468166645
10980080520
11463259001
12234288288
13128084603
14942442b6
155b099365
hex3a6ad788

980080520 has 32 divisors (see below), whose sum is σ = 2281224600. Its totient is φ = 378513408.

The previous prime is 980080513. The next prime is 980080529. The reversal of 980080520 is 25080089.

980080520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 517744516 + 462336004 = 22754^2 + 21502^2 .

It is not an unprimeable number, because it can be changed into a prime (980080529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421289 + ... + 423608.

Almost surely, 2980080520 is an apocalyptic number.

It is an amenable number.

980080520 is an abundant number, since it is smaller than the sum of its proper divisors (1301144080).

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

980080520 is a wasteful number, since it uses less digits than its factorization.

980080520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844937 (or 844933 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 980080520 is about 31306.2377171068. The cubic root of 980080520 is about 993.3155915734.

The spelling of 980080520 in words is "nine hundred eighty million, eighty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 844897 1689794 3379588 4224485 6759176 8448970 16897940 24502013 33795880 49004026 98008052 122510065 196016104 245020130 490040260 980080520