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70005693 = 323335231
BaseRepresentation
bin1000010110000…
…11001110111101
311212201122202110
410023003032331
5120410140233
610540244233
71510016142
oct413031675
9155648673
1070005693
113657534a
121b540679
13116712b4
1494243c9
15622c663
hex42c33bd

70005693 has 4 divisors (see below), whose sum is σ = 93340928. Its totient is φ = 46670460.

The previous prime is 70005659. The next prime is 70005707. The reversal of 70005693 is 39650007.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39650007 = 313216669.

It is not a de Polignac number, because 70005693 - 29 = 70005181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70005693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70005653) 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, 11667613 + ... + 11667618.

It is an arithmetic number, because the mean of its divisors is an integer number (23335232).

Almost surely, 270005693 is an apocalyptic number.

It is an amenable number.

70005693 is a deficient number, since it is larger than the sum of its proper divisors (23335235).

70005693 is a wasteful number, since it uses less digits than its factorization.

70005693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335234.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70005693 is about 8366.9404802472. The cubic root of 70005693 is about 412.1397022862.

The spelling of 70005693 in words is "seventy million, five thousand, six hundred ninety-three".

Divisors: 1 3 23335231 70005693