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70832961 = 341495869
BaseRepresentation
bin1000011100011…
…01001101000001
311221021200120000
410032031031001
5121113123321
611010110213
71520033043
oct416151501
9157250500
1070832961
1136a8a941
121b87b369
13118a09c4
14959ba93
156342826
hex438d341

70832961 has 20 divisors (see below), whose sum is σ = 106540500. Its totient is φ = 46897056.

The previous prime is 70832959. The next prime is 70832977. The reversal of 70832961 is 16923807.

It can be written as a sum of positive squares in 2 ways, for example, as 7535025 + 63297936 = 2745^2 + 7956^2 .

It is not a de Polignac number, because 70832961 - 21 = 70832959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70832941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9135 + ... + 15003.

It is an arithmetic number, because the mean of its divisors is an integer number (5327025).

Almost surely, 270832961 is an apocalyptic number.

It is an amenable number.

70832961 is a deficient number, since it is larger than the sum of its proper divisors (35707539).

70832961 is a wasteful number, since it uses less digits than its factorization.

70832961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 70832961 is about 8416.2319953766. The cubic root of 70832961 is about 413.7567884661.

The spelling of 70832961 in words is "seventy million, eight hundred thirty-two thousand, nine hundred sixty-one".

Divisors: 1 3 9 27 81 149 447 1341 4023 5869 12069 17607 52821 158463 475389 874481 2623443 7870329 23610987 70832961