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373830140 = 22518691507
BaseRepresentation
bin10110010010000…
…011000111111100
3222001102112112202
4112102003013330
51231200031030
6101032251032
712156334535
oct2622030774
9861375482
10373830140
11182021132
12a5240a78
135c5aaa88
143791168c
1522c44745
hex164831fc

373830140 has 12 divisors (see below), whose sum is σ = 785043336. Its totient is φ = 149532048.

The previous prime is 373830131. The next prime is 373830179. The reversal of 373830140 is 41038373.

It is a congruent number.

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, 9345734 + ... + 9345773.

It is an arithmetic number, because the mean of its divisors is an integer number (65420278).

Almost surely, 2373830140 is an apocalyptic number.

It is an amenable number.

373830140 is an abundant number, since it is smaller than the sum of its proper divisors (411213196).

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

373830140 is a wasteful number, since it uses less digits than its factorization.

373830140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18691516 (or 18691514 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 373830140 is about 19334.6874813119. The cubic root of 373830140 is about 720.3741239809.

The spelling of 373830140 in words is "three hundred seventy-three million, eight hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 18691507 37383014 74766028 93457535 186915070 373830140