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70361946 = 2341729881
BaseRepresentation
bin1000011000110…
…10001101011010
311220101202110000
410030122031122
5121003040241
610552033430
71513031604
oct414321532
9156352400
1070361946
1136798a76
121b692876
13117674b5
1494b8174
15629ceb6
hex431a35a

70361946 has 80 divisors (see below), whose sum is σ = 172889640. Its totient is φ = 21288960.

The previous prime is 70361933. The next prime is 70361981. The reversal of 70361946 is 64916307.

It can be written as a sum of positive squares in 4 ways, for example, as 59213025 + 11148921 = 7695^2 + 3339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70361946.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79426 + ... + 80306.

Almost surely, 270361946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70361946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86444820).

70361946 is an abundant number, since it is smaller than the sum of its proper divisors (102527694).

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

70361946 is a wasteful number, since it uses less digits than its factorization.

70361946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70361946 is about 8388.2027872483. The cubic root of 70361946 is about 412.8376343122.

The spelling of 70361946 in words is "seventy million, three hundred sixty-one thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 17 18 27 29 34 51 54 58 81 87 102 153 162 174 261 306 459 493 522 783 881 918 986 1377 1479 1566 1762 2349 2643 2754 2958 4437 4698 5286 7929 8874 13311 14977 15858 23787 25549 26622 29954 39933 44931 47574 51098 71361 76647 79866 89862 134793 142722 153294 229941 269586 404379 434333 459882 689823 808758 868666 1213137 1302999 1379646 2069469 2426274 2605998 3908997 4138938 7817994 11726991 23453982 35180973 70361946