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70246091 = 1729373851
BaseRepresentation
bin1000010111111…
…01111011001011
311220011212112002
410023331323023
5120440333331
610545341215
71512040046
oct413757313
9156155462
1070246091
1136719a23
121b63780b
1311726846
149487c5d
1562789cb
hex42fdecb

70246091 has 16 divisors (see below), whose sum is σ = 79043040. Its totient is φ = 62092800.

The previous prime is 70246081. The next prime is 70246109. The reversal of 70246091 is 19064207.

It is a cyclic number.

It is not a de Polignac number, because 70246091 - 26 = 70246027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70246081) by changing a digit.

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, 16316 + ... + 20166.

It is an arithmetic number, because the mean of its divisors is an integer number (4940190).

Almost surely, 270246091 is an apocalyptic number.

70246091 is a deficient number, since it is larger than the sum of its proper divisors (8796949).

70246091 is a wasteful number, since it uses less digits than its factorization.

70246091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70246091 is about 8381.2941124864. The cubic root of 70246091 is about 412.6109228480.

The spelling of 70246091 in words is "seventy million, two hundred forty-six thousand, ninety-one".

Divisors: 1 17 29 37 493 629 1073 3851 18241 65467 111679 142487 1898543 2422279 4132123 70246091