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70199441 = 138576301
BaseRepresentation
bin1000010111100…
…10100010010001
311220002111112022
410023302202101
5120432340231
610544341225
71511454044
oct413624221
9156074468
1070199441
1136697974
121b614815
131170b540
149474c5b
156269c7b
hex42f2891

70199441 has 8 divisors (see below), whose sum is σ = 75699624. Its totient is φ = 64713600.

The previous prime is 70199419. The next prime is 70199453. The reversal of 70199441 is 14499107.

It can be written as a sum of positive squares in 4 ways, for example, as 16851025 + 53348416 = 4105^2 + 7304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70199441 - 210 = 70198417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70199411) 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 7 ways as a sum of consecutive naturals, for example, 7991 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (9462453).

Almost surely, 270199441 is an apocalyptic number.

It is an amenable number.

70199441 is a deficient number, since it is larger than the sum of its proper divisors (5500183).

70199441 is a wasteful number, since it uses less digits than its factorization.

70199441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 70199441 is about 8378.5106671771. The cubic root of 70199441 is about 412.5195651571.

The spelling of 70199441 in words is "seventy million, one hundred ninety-nine thousand, four hundred forty-one".

Divisors: 1 13 857 6301 11141 81913 5399957 70199441