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70113247 is a prime number
BaseRepresentation
bin1000010110111…
…01011111011111
311212221010021221
410023131133133
5120422110442
610542434211
71510644541
oct413353737
9155833257
1070113247
1136639136
121b592967
13116ab239
149451691
15624e467
hex42dd7df

70113247 has 2 divisors, whose sum is σ = 70113248. Its totient is φ = 70113246.

The previous prime is 70113229. The next prime is 70113257. The reversal of 70113247 is 74231107.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74231107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70113247 - 27 = 70113119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70113257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35056623 + 35056624.

It is an arithmetic number, because the mean of its divisors is an integer number (35056624).

Almost surely, 270113247 is an apocalyptic number.

70113247 is a deficient number, since it is larger than the sum of its proper divisors (1).

70113247 is an equidigital number, since it uses as much as digits as its factorization.

70113247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 70113247 is about 8373.3653330068. The cubic root of 70113247 is about 412.3506593770.

The spelling of 70113247 in words is "seventy million, one hundred thirteen thousand, two hundred forty-seven".