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368141380 = 22589206821
BaseRepresentation
bin10101111100010…
…110010001000100
3221122201112000221
4111330112101010
51223221011010
6100310314124
712060102325
oct2574262104
9848645027
10368141380
11179896082
12a3358944
135b368649
1436c7044c
15224bddda
hex15f16444

368141380 has 24 divisors (see below), whose sum is σ = 781787160. Its totient is φ = 145601280.

The previous prime is 368141369. The next prime is 368141413. The reversal of 368141380 is 83141863.

It can be written as a sum of positive squares in 4 ways, for example, as 5924356 + 362217024 = 2434^2 + 19032^2 .

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, 101631 + ... + 105190.

It is an arithmetic number, because the mean of its divisors is an integer number (32574465).

Almost surely, 2368141380 is an apocalyptic number.

It is an amenable number.

368141380 is an abundant number, since it is smaller than the sum of its proper divisors (413645780).

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

368141380 is a wasteful number, since it uses less digits than its factorization.

368141380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206919 (or 206917 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 368141380 is about 19187.0107103738. The cubic root of 368141380 is about 716.7013326180.

The spelling of 368141380 in words is "three hundred sixty-eight million, one hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 206821 413642 827284 1034105 2068210 4136420 18407069 36814138 73628276 92035345 184070690 368141380