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70090067 = 167419701
BaseRepresentation
bin1000010110101…
…11110101010011
311212212221111102
410023113311103
5120420340232
610542135015
71510520135
oct413276523
9155787442
1070090067
1136622783
121b58146b
13116a0818
149447055
156247662
hex42d7d53

70090067 has 4 divisors (see below), whose sum is σ = 70509936. Its totient is φ = 69670200.

The previous prime is 70090063. The next prime is 70090087. The reversal of 70090067 is 76009007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70090067 - 22 = 70090063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70090063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209684 + ... + 210017.

It is an arithmetic number, because the mean of its divisors is an integer number (17627484).

Almost surely, 270090067 is an apocalyptic number.

70090067 is a deficient number, since it is larger than the sum of its proper divisors (419869).

70090067 is a wasteful number, since it uses less digits than its factorization.

70090067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419868.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70090067 is about 8371.9810678238. The cubic root of 70090067 is about 412.3052122267.

The spelling of 70090067 in words is "seventy million, ninety thousand, sixty-seven".

Divisors: 1 167 419701 70090067