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6427850740 = 225321392537
BaseRepresentation
bin1011111110010000…
…10011011111110100
3121120222010122112221
411333020103133310
5101131012210430
62541455052124
7315200554423
oct57710233764
917528118487
106427850740
1127a9399443
1212b4811044
137b590bc9c
1444d9832ba
1527949d57a
hex17f2137f4

6427850740 has 12 divisors (see below), whose sum is σ = 13498486596. Its totient is φ = 2571140288.

The previous prime is 6427850683. The next prime is 6427850813. The reversal of 6427850740 is 470587246.

It can be written as a sum of positive squares in 2 ways, for example, as 4824969444 + 1602881296 = 69462^2 + 40036^2 .

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, 160696249 + ... + 160696288.

It is an arithmetic number, because the mean of its divisors is an integer number (1124873883).

Almost surely, 26427850740 is an apocalyptic number.

It is an amenable number.

6427850740 is an abundant number, since it is smaller than the sum of its proper divisors (7070635856).

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

6427850740 is a wasteful number, since it uses less digits than its factorization.

6427850740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321392546 (or 321392544 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 6427850740 is about 80173.8781648986. The cubic root of 6427850740 is about 1859.3247963528.

The spelling of 6427850740 in words is "six billion, four hundred twenty-seven million, eight hundred fifty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 321392537 642785074 1285570148 1606962685 3213925370 6427850740