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2257829740 = 225112891487
BaseRepresentation
bin1000011010010011…
…1011111101101100
312211100111122010201
42012210323331230
514111001022430
61012013043244
7106644143665
oct20644737554
95740448121
102257829740
11a595389a1
12530186524
1329c9cb83a
14175c1236c
15d33418ca
hex8693bf6c

2257829740 has 12 divisors (see below), whose sum is σ = 4741442496. Its totient is φ = 903131888.

The previous prime is 2257829737. The next prime is 2257829797. The reversal of 2257829740 is 479287522.

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, 56445724 + ... + 56445763.

It is an arithmetic number, because the mean of its divisors is an integer number (395120208).

Almost surely, 22257829740 is an apocalyptic number.

2257829740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257829740 is an abundant number, since it is smaller than the sum of its proper divisors (2483612756).

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

2257829740 is a wasteful number, since it uses less digits than its factorization.

2257829740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112891496 (or 112891494 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2257829740 is about 47516.6259324039. The cubic root of 2257829740 is about 1311.8889169225. Note that the first 3 decimals are identical.

The spelling of 2257829740 in words is "two billion, two hundred fifty-seven million, eight hundred twenty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 112891487 225782974 451565948 564457435 1128914870 2257829740