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70375747 = 135413519
BaseRepresentation
bin1000011000111…
…01100101000011
311220102110101011
410030131211003
5121004010442
610552221351
71513120051
oct414354503
9156373334
1070375747
11367a8382
121b69a857
1311770870
1494bd1d1
1562a2117
hex431d943

70375747 has 4 divisors (see below), whose sum is σ = 75789280. Its totient is φ = 64962216.

The previous prime is 70375729. The next prime is 70375751. The reversal of 70375747 is 74757307.

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-70375747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70375777) 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, 2706747 + ... + 2706772.

It is an arithmetic number, because the mean of its divisors is an integer number (18947320).

Almost surely, 270375747 is an apocalyptic number.

70375747 is a deficient number, since it is larger than the sum of its proper divisors (5413533).

70375747 is a wasteful number, since it uses less digits than its factorization.

70375747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413532.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 70375747 is about 8389.0253903538. The cubic root of 70375747 is about 412.8646242788.

The spelling of 70375747 in words is "seventy million, three hundred seventy-five thousand, seven hundred forty-seven".

Divisors: 1 13 5413519 70375747