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70945794 = 2351731277
BaseRepresentation
bin1000011101010…
…00110000000010
311221111102100000
410032220300002
5121130231134
611012340430
71521013023
oct416506002
9157442300
1070945794
1137057697
121b914716
131191017a
1495cac4a
156365e99
hex43a8c02

70945794 has 96 divisors (see below), whose sum is σ = 174859776. Its totient is φ = 21461760.

The previous prime is 70945793. The next prime is 70945799. The reversal of 70945794 is 49754907.

70945794 is a `hidden beast` number, since 70 + 9 + 4 + 579 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70945793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255984 + ... + 256260.

It is an arithmetic number, because the mean of its divisors is an integer number (1821456).

Almost surely, 270945794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70945794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87429888).

70945794 is an abundant number, since it is smaller than the sum of its proper divisors (103913982).

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

70945794 is a wasteful number, since it uses less digits than its factorization.

70945794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 70945794 is about 8422.9326246860. The cubic root of 70945794 is about 413.9763691616.

The spelling of 70945794 in words is "seventy million, nine hundred forty-five thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 27 31 34 51 54 62 81 93 102 153 162 186 243 277 279 306 459 486 527 554 558 831 837 918 1054 1377 1581 1662 1674 2493 2511 2754 3162 4131 4709 4743 4986 5022 7479 7533 8262 8587 9418 9486 14127 14229 14958 15066 17174 22437 25761 28254 28458 42381 42687 44874 51522 67311 77283 84762 85374 127143 128061 134622 145979 154566 231849 254286 256122 291958 381429 437937 463698 695547 762858 875874 1144287 1313811 1391094 2086641 2288574 2627622 3941433 4173282 7882866 11824299 23648598 35472897 70945794