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2381960252 = 22785070009
BaseRepresentation
bin1000110111111001…
…1101010000111100
320011000002010012002
42031332131100330
514334240212002
61032205401432
7113012220350
oct21576352074
96130063162
102381960252
111012610aa1
12565869278
132bc640849
141884c5460
15de1b1002
hex8df9d43c

2381960252 has 12 divisors (see below), whose sum is σ = 4763920560. Its totient is φ = 1020840096.

The previous prime is 2381960233. The next prime is 2381960267. The reversal of 2381960252 is 2520691832.

2381960252 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 42534977 + ... + 42535032.

It is an arithmetic number, because the mean of its divisors is an integer number (396993380).

Almost surely, 22381960252 is an apocalyptic number.

It is an amenable number.

2381960252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2381960252 is a wasteful number, since it uses less digits than its factorization.

2381960252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85070020 (or 85070018 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2381960252 is about 48805.3301597274. The cubic root of 2381960252 is about 1335.5029039466.

The spelling of 2381960252 in words is "two billion, three hundred eighty-one million, nine hundred sixty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 85070009 170140018 340280036 595490063 1190980126 2381960252