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70731703 = 722374517
BaseRepresentation
bin1000011011101…
…00011110110111
311221002112122201
410031310132313
5121101403303
611004005331
71516131610
oct415643667
9157075581
1070731703
1136a20859
121b830847
13118668a3
149572c07
15632281d
hex43747b7

70731703 has 8 divisors (see below), whose sum is σ = 80890272. Its totient is φ = 60586656.

The previous prime is 70731659. The next prime is 70731707. The reversal of 70731703 is 30713707.

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 70731703 - 213 = 70723511 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 (70731707) 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, 13401 + ... + 17917.

It is an arithmetic number, because the mean of its divisors is an integer number (10111284).

Almost surely, 270731703 is an apocalyptic number.

70731703 is a deficient number, since it is larger than the sum of its proper divisors (10158569).

70731703 is a wasteful number, since it uses less digits than its factorization.

70731703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 70731703 is about 8410.2142065467. The cubic root of 70731703 is about 413.5595348893.

The spelling of 70731703 in words is "seventy million, seven hundred thirty-one thousand, seven hundred three".

Divisors: 1 7 2237 4517 15659 31619 10104529 70731703