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70342293 = 3721513169
BaseRepresentation
bin1000011000101…
…01011010010101
311220100202111010
410030111122111
5121001423133
610551402433
71512620400
oct414253225
9156322433
1070342293
113678522a
121b683419
131175b578
1494b0d37
156297263
hex4315695

70342293 has 24 divisors (see below), whose sum is σ = 109859520. Its totient is φ = 39916800.

The previous prime is 70342249. The next prime is 70342301. The reversal of 70342293 is 39224307.

It is not a de Polignac number, because 70342293 - 26 = 70342229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70342293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70342093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20613 + ... + 23781.

It is an arithmetic number, because the mean of its divisors is an integer number (4577480).

Almost surely, 270342293 is an apocalyptic number.

It is an amenable number.

70342293 is a deficient number, since it is larger than the sum of its proper divisors (39517227).

70342293 is a wasteful number, since it uses less digits than its factorization.

70342293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70342293 is about 8387.0312387638. The cubic root of 70342293 is about 412.7991937725.

The spelling of 70342293 in words is "seventy million, three hundred forty-two thousand, two hundred ninety-three".

Divisors: 1 3 7 21 49 147 151 453 1057 3169 3171 7399 9507 22183 22197 66549 155281 465843 478519 1435557 3349633 10048899 23447431 70342293