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381940060 = 22519097003
BaseRepresentation
bin10110110000111…
…111000101011100
3222121200120021011
4112300333011130
51240234040220
6101522145004
712315302605
oct2660770534
9877616234
10381940060
11186660247
12a7ab2164
136118a248
1438a22dac
15237e765a
hex16c3f15c

381940060 has 12 divisors (see below), whose sum is σ = 802074168. Its totient is φ = 152776016.

The previous prime is 381940043. The next prime is 381940067. The reversal of 381940060 is 60049183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381940067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9548482 + ... + 9548521.

It is an arithmetic number, because the mean of its divisors is an integer number (66839514).

Almost surely, 2381940060 is an apocalyptic number.

It is an amenable number.

381940060 is an abundant number, since it is smaller than the sum of its proper divisors (420134108).

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

381940060 is a wasteful number, since it uses less digits than its factorization.

381940060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097012 (or 19097010 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 381940060 is about 19543.2868269388. The cubic root of 381940060 is about 725.5461979957.

The spelling of 381940060 in words is "three hundred eighty-one million, nine hundred forty thousand, sixty".

Divisors: 1 2 4 5 10 20 19097003 38194006 76388012 95485015 190970030 381940060