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70493973 = 3112136181
BaseRepresentation
bin1000011001110…
…10011100010101
311220122110112220
410030322130111
5121021301343
610554532553
71514121534
oct414723425
9156573486
1070493973
1136879190
121b737159
13117b2614
14951031b
1562c7183
hex433a715

70493973 has 8 divisors (see below), whose sum is σ = 102536736. Its totient is φ = 42723600.

The previous prime is 70493903. The next prime is 70493977. The reversal of 70493973 is 37939407.

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

It is not a de Polignac number, because 70493973 - 210 = 70492949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70493977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068058 + ... + 1068123.

It is an arithmetic number, because the mean of its divisors is an integer number (12817092).

Almost surely, 270493973 is an apocalyptic number.

It is an amenable number.

70493973 is a deficient number, since it is larger than the sum of its proper divisors (32042763).

70493973 is a wasteful number, since it uses less digits than its factorization.

70493973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136195.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 70493973 is about 8396.0689015753. The cubic root of 70493973 is about 413.0956888501.

The spelling of 70493973 in words is "seventy million, four hundred ninety-three thousand, nine hundred seventy-three".

Divisors: 1 3 11 33 2136181 6408543 23497991 70493973