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3445479378 = 23211122914159
BaseRepresentation
bin1100110101011101…
…1101011111010010
322220010021111011100
43031113131133102
524024020320003
61325520325230
7151245043245
oct31527353722
98803244140
103445479378
111508979720
12801a73816
1342ba8a6c3
1424984925c
1515273cba3
hexcd5dd7d2

3445479378 has 48 divisors (see below), whose sum is σ = 8151062400. Its totient is φ = 1043161440.

The previous prime is 3445479353. The next prime is 3445479391. The reversal of 3445479378 is 8739745443.

3445479378 is a `hidden beast` number, since 3 + 4 + 4 + 547 + 93 + 7 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236263 + ... + 250421.

It is an arithmetic number, because the mean of its divisors is an integer number (169813800).

Almost surely, 23445479378 is an apocalyptic number.

3445479378 is an abundant number, since it is smaller than the sum of its proper divisors (4705583022).

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

3445479378 is a wasteful number, since it uses less digits than its factorization.

3445479378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15407 (or 15404 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 3445479378 is about 58698.2059180687. The cubic root of 3445479378 is about 1510.3695392506.

The spelling of 3445479378 in words is "three billion, four hundred forty-five million, four hundred seventy-nine thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1229 2458 3687 7374 11061 13519 14159 22122 27038 28318 40557 42477 81114 84954 121671 127431 155749 243342 254862 311498 467247 934494 1401741 2803482 17401411 34802822 52204233 104408466 156612699 191415521 313225398 382831042 574246563 1148493126 1722739689 3445479378