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274009384 = 231118117203
BaseRepresentation
bin10000010101010…
…000110100101000
3201002121010012201
4100111100310220
51030121300014
643104545544
76535020115
oct2025206450
9632533181
10274009384
11130742340
12779222b4
13449caa3c
142856990c
15190c7e74
hex10550d28

274009384 has 32 divisors (see below), whose sum is σ = 563603040. Its totient is φ = 123854400.

The previous prime is 274009339. The next prime is 274009387. The reversal of 274009384 is 483900472.

It is a happy number.

It is a super-2 number, since 2×2740093842 = 150162285040118912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (274009387) 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, 7327 + ... + 24529.

It is an arithmetic number, because the mean of its divisors is an integer number (17612595).

Almost surely, 2274009384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274009384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281801520).

274009384 is an abundant number, since it is smaller than the sum of its proper divisors (289593656).

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

274009384 is a wasteful number, since it uses less digits than its factorization.

274009384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17401 (or 17397 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 274009384 is about 16553.2288089061. The cubic root of 274009384 is about 649.5139435310.

The spelling of 274009384 in words is "two hundred seventy-four million, nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 181 362 724 1448 1991 3982 7964 15928 17203 34406 68812 137624 189233 378466 756932 1513864 3113743 6227486 12454972 24909944 34251173 68502346 137004692 274009384