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2570406740 = 2251111683667
BaseRepresentation
bin1001100100110101…
…0100101101010100
320122010200012011122
42121031110231110
520231011003430
61103020423112
7120461045126
oct23115245524
96563605148
102570406740
1110a9a226a0
125b89a7a98
1331c6b1145
141a553b216
151009d6ee5
hex99354b54

2570406740 has 24 divisors (see below), whose sum is σ = 5888568672. Its totient is φ = 934693280.

The previous prime is 2570406739. The next prime is 2570406763. The reversal of 2570406740 is 476040752.

It is a self number, because there is not a number n which added to its sum of digits gives 2570406740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5841614 + ... + 5842053.

It is an arithmetic number, because the mean of its divisors is an integer number (245357028).

Almost surely, 22570406740 is an apocalyptic number.

2570406740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2570406740 is an abundant number, since it is smaller than the sum of its proper divisors (3318161932).

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

2570406740 is a wasteful number, since it uses less digits than its factorization.

2570406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683687 (or 11683685 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2570406740 is about 50699.1788888144. The cubic root of 2570406740 is about 1369.8319256756.

The spelling of 2570406740 in words is "two billion, five hundred seventy million, four hundred six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11683667 23367334 46734668 58418335 116836670 128520337 233673340 257040674 514081348 642601685 1285203370 2570406740