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70955137 = 116450467
BaseRepresentation
bin1000011101010…
…11000010000001
311221111220011001
410032223002001
5121131031022
611012452001
71521052201
oct416530201
9157456131
1070955137
1137063710
121b91a001
13119144b6
1495d0401
156368b27
hex43ab081

70955137 has 4 divisors (see below), whose sum is σ = 77405616. Its totient is φ = 64504660.

The previous prime is 70955119. The next prime is 70955147. The reversal of 70955137 is 73155907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70955137 - 27 = 70955009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70955096 and 70955105.

It is not an unprimeable number, because it can be changed into a prime (70955147) 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, 3225223 + ... + 3225244.

It is an arithmetic number, because the mean of its divisors is an integer number (19351404).

Almost surely, 270955137 is an apocalyptic number.

It is an amenable number.

70955137 is a deficient number, since it is larger than the sum of its proper divisors (6450479).

70955137 is a wasteful number, since it uses less digits than its factorization.

70955137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450478.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 70955137 is about 8423.4872232348. The cubic root of 70955137 is about 413.9945408352.

The spelling of 70955137 in words is "seventy million, nine hundred fifty-five thousand, one hundred thirty-seven".

Divisors: 1 11 6450467 70955137