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2492172380 = 225124608619
BaseRepresentation
bin1001010010001011…
…1000100001011100
320102200110110210202
42110202320201130
520100444004010
61051143523032
7115521054455
oct22442704134
96380413722
102492172380
111069847aa5
12596759478
1330941b619
14198db412c
15e8bd16a5
hex948b885c

2492172380 has 12 divisors (see below), whose sum is σ = 5233562040. Its totient is φ = 996868944.

The previous prime is 2492172329. The next prime is 2492172439. The reversal of 2492172380 is 832712942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62304290 + ... + 62304329.

It is an arithmetic number, because the mean of its divisors is an integer number (436130170).

Almost surely, 22492172380 is an apocalyptic number.

2492172380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2492172380 is an abundant number, since it is smaller than the sum of its proper divisors (2741389660).

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

2492172380 is a wasteful number, since it uses less digits than its factorization.

2492172380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124608628 (or 124608626 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2492172380 is about 49921.6624322548. The cubic root of 2492172380 is about 1355.7908320406.

The spelling of 2492172380 in words is "two billion, four hundred ninety-two million, one hundred seventy-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 124608619 249217238 498434476 623043095 1246086190 2492172380