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708087240 = 2332572137293
BaseRepresentation
bin101010001101001…
…000110111001000
31211100101120002100
4222031020313020
52422232242430
6154132433400
723355433200
oct5215106710
91740346070
10708087240
11333773473
12179178860
13b3911443
146a081400
154226d960
hex2a348dc8

708087240 has 288 divisors, whose sum is σ = 2705746680. Its totient is φ = 160118784.

The previous prime is 708087239. The next prime is 708087257. The reversal of 708087240 is 42780807.

It can be written as a sum of positive squares in 4 ways, for example, as 693479556 + 14607684 = 26334^2 + 3822^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 708087195 and 708087204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2416534 + ... + 2416826.

Almost surely, 2708087240 is an apocalyptic number.

708087240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708087240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352873340).

708087240 is an abundant number, since it is smaller than the sum of its proper divisors (1997659440).

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

708087240 is a wasteful number, since it uses less digits than its factorization.

708087240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 708087240 is about 26609.9086807903. The cubic root of 708087240 is about 891.3102948704.

The spelling of 708087240 in words is "seven hundred eight million, eighty-seven thousand, two hundred forty".