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297834380 = 22514891719
BaseRepresentation
bin10001110000001…
…001011110001100
3202202102112221222
4101300021132030
51102221200010
645315342512
710244356544
oct2160113614
9682375858
10297834380
11143135418
12838b1a38
134992017c
142b7ac324
151b232355
hex11c0978c

297834380 has 12 divisors (see below), whose sum is σ = 625452240. Its totient is φ = 119133744.

The previous prime is 297834377. The next prime is 297834409. The reversal of 297834380 is 83438792.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445840 + ... + 7445879.

It is an arithmetic number, because the mean of its divisors is an integer number (52121020).

Almost surely, 2297834380 is an apocalyptic number.

297834380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297834380 is an abundant number, since it is smaller than the sum of its proper divisors (327617860).

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

297834380 is a wasteful number, since it uses less digits than its factorization.

297834380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891728 (or 14891726 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 297834380 is about 17257.8787804295. The cubic root of 297834380 is about 667.8182391204.

The spelling of 297834380 in words is "two hundred ninety-seven million, eight hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 14891719 29783438 59566876 74458595 148917190 297834380