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70140197 = 313761151
BaseRepresentation
bin1000010111001…
…00000100100101
311212222111021002
410023210010211
5120423441242
610543203045
71511116241
oct413440445
9155874232
1070140197
1136657406
121b5a6485
13116ba59a
14945b421
156257432
hex42e4125

70140197 has 8 divisors (see below), whose sum is σ = 74360832. Its totient is φ = 66042000.

The previous prime is 70140173. The next prime is 70140199. The reversal of 70140197 is 79104107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70140197 - 226 = 3031333 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 (70140199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29429 + ... + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (9295104).

Almost surely, 270140197 is an apocalyptic number.

It is an amenable number.

70140197 is a deficient number, since it is larger than the sum of its proper divisors (4220635).

70140197 is a wasteful number, since it uses less digits than its factorization.

70140197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61219.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 70140197 is about 8374.9744477222. The cubic root of 70140197 is about 412.4034854700.

The spelling of 70140197 in words is "seventy million, one hundred forty thousand, one hundred ninety-seven".

Divisors: 1 31 37 1147 61151 1895681 2262587 70140197