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980665902 = 232895031217
BaseRepresentation
bin111010011100111…
…100011000101110
32112100021222201100
4322130330120232
54002022302102
6241151023530
733205344156
oct7234743056
92470258640
10980665902
11463618897
1223450aba6
1312822aba8
1494357766
155b162a1c
hex3a73c62e

980665902 has 48 divisors (see below), whose sum is σ = 2154690720. Its totient is φ = 322308096.

The previous prime is 980665901. The next prime is 980665913. The reversal of 980665902 is 209566089.

It is a super-2 number, since 2×9806659022 = 1923411222690947208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980665901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 805198 + ... + 806414.

It is an arithmetic number, because the mean of its divisors is an integer number (44889390).

Almost surely, 2980665902 is an apocalyptic number.

980665902 is an abundant number, since it is smaller than the sum of its proper divisors (1174024818).

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

980665902 is a wasteful number, since it uses less digits than its factorization.

980665902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 980665902 is about 31315.5856084474. The cubic root of 980665902 is about 993.5133145589.

The spelling of 980665902 in words is "nine hundred eighty million, six hundred sixty-five thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 89 178 267 503 534 801 1006 1217 1509 1602 2434 3018 3651 4527 7302 9054 10953 21906 44767 89534 108313 134301 216626 268602 324939 402903 612151 649878 805806 974817 1224302 1836453 1949634 3672906 5509359 11018718 54481439 108962878 163444317 326888634 490332951 980665902