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356807140 = 225109163673
BaseRepresentation
bin10101010001000…
…111000111100100
3220212101200101021
4111101013013210
51212320312030
655223340524
711561545024
oct2521070744
9825350337
10356807140
11173454538
129b5b1744
1358bca6b1
143555da84
15214d097a
hex154471e4

356807140 has 24 divisors (see below), whose sum is σ = 756173880. Its totient is φ = 141412608.

The previous prime is 356807131. The next prime is 356807159. The reversal of 356807140 is 41708653.

356807140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26440164 + 330366976 = 5142^2 + 18176^2 .

It is a super-2 number, since 2×3568071402 = 254622670309959200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 356807096 and 356807105.

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 7 ways as a sum of consecutive naturals, for example, 79657 + ... + 84016.

It is an arithmetic number, because the mean of its divisors is an integer number (31507245).

Almost surely, 2356807140 is an apocalyptic number.

It is an amenable number.

356807140 is an abundant number, since it is smaller than the sum of its proper divisors (399366740).

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

356807140 is a wasteful number, since it uses less digits than its factorization.

356807140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163791 (or 163789 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 356807140 is about 18889.3393214268. The cubic root of 356807140 is about 709.2693269981.

The spelling of 356807140 in words is "three hundred fifty-six million, eight hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 163673 327346 654692 818365 1636730 3273460 17840357 35680714 71361428 89201785 178403570 356807140