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70000099 = 135384623
BaseRepresentation
bin1000010110000…
…01110111100011
311212201101002021
410023001313203
5120410000344
610540202311
71506663631
oct413016743
9155641067
1070000099
1136571124
121b539397
131166b8a0
149422351
15622ab84
hex42c1de3

70000099 has 4 divisors (see below), whose sum is σ = 75384736. Its totient is φ = 64615464.

The previous prime is 70000093. The next prime is 70000103. The reversal of 70000099 is 99000007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70000099 is a prime.

It is a Duffinian number.

70000099 is a modest number, since divided by 99 gives 70 as remainder.

It is not an unprimeable number, because it can be changed into a prime (70000093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692299 + ... + 2692324.

It is an arithmetic number, because the mean of its divisors is an integer number (18846184).

Almost surely, 270000099 is an apocalyptic number.

70000099 is a deficient number, since it is larger than the sum of its proper divisors (5384637).

70000099 is a wasteful number, since it uses less digits than its factorization.

70000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384636.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 70000099 is about 8366.6061817203. The cubic root of 70000099 is about 412.1287242699.

The spelling of 70000099 in words is "seventy million, ninety-nine", and thus it is an aban number and an uban number.

Divisors: 1 13 5384623 70000099