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707138848 = 25131699853
BaseRepresentation
bin101010001001100…
…001010100100000
31211021121101010201
4222021201110200
52422011420343
6154100234544
723344403203
oct5211412440
91737541121
10707138848
11333185979
1217899ba54
13b366b870
1469cb593a
154213294d
hex2a261520

707138848 has 24 divisors (see below), whose sum is σ = 1499271228. Its totient is φ = 326371584.

The previous prime is 707138843. The next prime is 707138863. The reversal of 707138848 is 848831707.

It can be written as a sum of positive squares in 2 ways, for example, as 684973584 + 22165264 = 26172^2 + 4708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 707138798 and 707138807.

It is not an unprimeable number, because it can be changed into a prime (707138843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849511 + ... + 850342.

Almost surely, 2707138848 is an apocalyptic number.

It is an amenable number.

707138848 is an abundant number, since it is smaller than the sum of its proper divisors (792132380).

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

707138848 is a wasteful number, since it uses less digits than its factorization.

707138848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699876 (or 1699868 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 707138848 is about 26592.0824306785. The cubic root of 707138848 is about 890.9121851545.

The spelling of 707138848 in words is "seven hundred seven million, one hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 1699853 3399706 6799412 13598824 22098089 27197648 44196178 54395296 88392356 176784712 353569424 707138848