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70369271 = 710052753
BaseRepresentation
bin1000011000110…
…11111111110111
311220102010111022
410030123333313
5121003304041
610552131355
71513062140
oct414337767
9156363438
1070369271
11367a3525
121b696b5b
131176a92b
1494baac7
1562a024b
hex431bff7

70369271 has 4 divisors (see below), whose sum is σ = 80422032. Its totient is φ = 60316512.

The previous prime is 70369267. The next prime is 70369279. The reversal of 70369271 is 17296307.

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 70369271 - 22 = 70369267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70369279) 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, 5026370 + ... + 5026383.

It is an arithmetic number, because the mean of its divisors is an integer number (20105508).

Almost surely, 270369271 is an apocalyptic number.

70369271 is a deficient number, since it is larger than the sum of its proper divisors (10052761).

70369271 is a wasteful number, since it uses less digits than its factorization.

70369271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052760.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 70369271 is about 8388.6394009994. The cubic root of 70369271 is about 412.8519599096.

The spelling of 70369271 in words is "seventy million, three hundred sixty-nine thousand, two hundred seventy-one".

Divisors: 1 7 10052753 70369271