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630369078 = 2317431011423
BaseRepresentation
bin100101100100101…
…010101100110110
31121221011001210220
4211210222230312
52242333302303
6142314555210
721423022503
oct4544525466
91557131726
10630369078
112a3910689
12157138b06
13a079c871
145da104aa
153a51b053
hex2592ab36

630369078 has 64 divisors (see below), whose sum is σ = 1380436992. Its totient is φ = 191116800.

The previous prime is 630369049. The next prime is 630369079. The reversal of 630369078 is 870963036.

630369078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630369079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442275 + ... + 443697.

It is an arithmetic number, because the mean of its divisors is an integer number (21569328).

Almost surely, 2630369078 is an apocalyptic number.

630369078 is an abundant number, since it is smaller than the sum of its proper divisors (750067914).

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

630369078 is a wasteful number, since it uses less digits than its factorization.

630369078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 630369078 is about 25107.1519292810. The cubic root of 630369078 is about 857.4292611084.

The spelling of 630369078 in words is "six hundred thirty million, three hundred sixty-nine thousand, seventy-eight".

Divisors: 1 2 3 6 17 34 43 51 86 101 102 129 202 258 303 606 731 1423 1462 1717 2193 2846 3434 4269 4343 4386 5151 8538 8686 10302 13029 24191 26058 48382 61189 72573 73831 122378 143723 145146 147662 183567 221493 287446 367134 431169 442986 862338 1040213 2080426 2443291 3120639 4886582 6180089 6241278 7329873 12360178 14659746 18540267 37080534 105061513 210123026 315184539 630369078