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70303093 = 721434757
BaseRepresentation
bin1000011000010…
…11110101110101
311220021202201021
410030023311311
5120444144333
610550501141
71512365200
oct414136565
9156252637
1070303093
1136758833
121b6647b1
1311746783
1494a0937
15628a82d
hex430bd75

70303093 has 6 divisors (see below), whose sum is σ = 81781206. Its totient is φ = 60259752.

The previous prime is 70303067. The next prime is 70303099. The reversal of 70303093 is 39030307.

It can be written as a sum of positive squares in only one way, i.e., 65254084 + 5049009 = 8078^2 + 2247^2 .

It is not a de Polignac number, because 70303093 - 25 = 70303061 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 (70303099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717330 + ... + 717427.

It is an arithmetic number, because the mean of its divisors is an integer number (13630201).

Almost surely, 270303093 is an apocalyptic number.

It is an amenable number.

70303093 is a deficient number, since it is larger than the sum of its proper divisors (11478113).

70303093 is a wasteful number, since it uses less digits than its factorization.

70303093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434771 (or 1434764 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 25.

The square root of 70303093 is about 8384.6939717559. The cubic root of 70303093 is about 412.7224986363.

The spelling of 70303093 in words is "seventy million, three hundred three thousand, ninety-three".

Divisors: 1 7 49 1434757 10043299 70303093