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70253335 = 5131283379
BaseRepresentation
bin1000010111111…
…11101100010111
311220012020110101
410023333230113
5120441101320
610545434531
71512100135
oct413775427
9156166411
1070253335
1136724409
121b63ba47
1311729c29
14948a755
15627ac0a
hex42ffb17

70253335 has 16 divisors (see below), whose sum is σ = 85472640. Its totient is φ = 55429920.

The previous prime is 70253329. The next prime is 70253363. The reversal of 70253335 is 53335207.

70253335 = 3273 + 3283.

It is a happy number.

It is not a de Polignac number, because 70253335 - 27 = 70253207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185176 + ... + 185554.

It is an arithmetic number, because the mean of its divisors is an integer number (5342040).

Almost surely, 270253335 is an apocalyptic number.

70253335 is a deficient number, since it is larger than the sum of its proper divisors (15219305).

70253335 is a wasteful number, since it uses less digits than its factorization.

70253335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 70253335 is about 8381.7262541794. The cubic root of 70253335 is about 412.6251056101.

The spelling of 70253335 in words is "seventy million, two hundred fifty-three thousand, three hundred thirty-five".

Divisors: 1 5 131 283 379 655 1415 1895 37073 49649 107257 185365 248245 536285 14050667 70253335