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293264980 = 225139105491
BaseRepresentation
bin10001011110101…
…101111001010100
3202102211101220221
4101132231321110
51100033434410
645033404124
710160465641
oct2136557124
9672741827
10293264980
111405a4358
1282269644
13489b0398
142ad3cdc8
151ab2d4da
hex117ade54

293264980 has 24 divisors (see below), whose sum is σ = 620292960. Its totient is φ = 116460960.

The previous prime is 293264969. The next prime is 293264989. The reversal of 293264980 is 89462392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (293264989) 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, 49966 + ... + 55525.

It is an arithmetic number, because the mean of its divisors is an integer number (25845540).

Almost surely, 2293264980 is an apocalyptic number.

293264980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

293264980 is an abundant number, since it is smaller than the sum of its proper divisors (327027980).

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

293264980 is a wasteful number, since it uses less digits than its factorization.

293264980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105639 (or 105637 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 293264980 is about 17124.9811678729. The cubic root of 293264980 is about 664.3853819589.

The spelling of 293264980 in words is "two hundred ninety-three million, two hundred sixty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 105491 210982 421964 527455 1054910 2109820 14663249 29326498 58652996 73316245 146632490 293264980