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2538357320 = 23563458933
BaseRepresentation
bin1001011101001100…
…0100001001001000
320112220100220122002
42113103010021020
520144304413240
61055513450132
7116621452442
oct22723041110
96486326562
102538357320
111092922474
125aa110948
13315b6c3a5
141a1197492
15ecca5d15
hex974c4248

2538357320 has 16 divisors (see below), whose sum is σ = 5711304060. Its totient is φ = 1015342912.

The previous prime is 2538357313. The next prime is 2538357331. The reversal of 2538357320 is 237538352.

It can be written as a sum of positive squares in 2 ways, for example, as 2518233124 + 20124196 = 50182^2 + 4486^2 .

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, 31729427 + ... + 31729506.

Almost surely, 22538357320 is an apocalyptic number.

2538357320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538357320 is an abundant number, since it is smaller than the sum of its proper divisors (3172946740).

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

2538357320 is a wasteful number, since it uses less digits than its factorization.

2538357320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63458944 (or 63458940 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 2538357320 is about 50382.1130958200. The cubic root of 2538357320 is about 1364.1147941329.

The spelling of 2538357320 in words is "two billion, five hundred thirty-eight million, three hundred fifty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 63458933 126917866 253835732 317294665 507671464 634589330 1269178660 2538357320