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70199443 = 1710513929
BaseRepresentation
bin1000010111100…
…10100010010011
311220002111112101
410023302202103
5120432340233
610544341231
71511454046
oct413624223
9156074471
1070199443
1136697976
121b614817
131170b542
149474c5d
156269c7d
hex42f2893

70199443 has 8 divisors (see below), whose sum is σ = 74418480. Its totient is φ = 65990400.

The previous prime is 70199419. The next prime is 70199453. The reversal of 70199443 is 34499107.

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 70199443 - 25 = 70199411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70199453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903 + ... + 19831.

It is an arithmetic number, because the mean of its divisors is an integer number (9302310).

Almost surely, 270199443 is an apocalyptic number.

70199443 is a deficient number, since it is larger than the sum of its proper divisors (4219037).

70199443 is a wasteful number, since it uses less digits than its factorization.

70199443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 70199443 is about 8378.5107865300. The cubic root of 70199443 is about 412.5195690747.

The spelling of 70199443 in words is "seventy million, one hundred ninety-nine thousand, four hundred forty-three".

Divisors: 1 17 1051 3929 17867 66793 4129379 70199443