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70222949 = 2917313997
BaseRepresentation
bin1000010111110…
…00010001100101
311220010200202222
410023320101211
5120434113244
610545042125
71511612426
oct413702145
9156120688
1070222949
11367035a5
121b626345
1311719154
14947d64d
156271bee
hex42f8465

70222949 has 8 divisors (see below), whose sum is σ = 73069560. Its totient is φ = 67404736.

The previous prime is 70222931. The next prime is 70222951. The reversal of 70222949 is 94922207.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24930049 + 45292900 = 4993^2 + 6730^2 .

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 70222949 - 28 = 70222693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70222909) 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, 1982 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (9133695).

Almost surely, 270222949 is an apocalyptic number.

It is an amenable number.

70222949 is a deficient number, since it is larger than the sum of its proper divisors (2846611).

70222949 is a wasteful number, since it uses less digits than its factorization.

70222949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70222949 is about 8379.9134243738. The cubic root of 70222949 is about 412.5656074404.

The spelling of 70222949 in words is "seventy million, two hundred twenty-two thousand, nine hundred forty-nine".

Divisors: 1 29 173 5017 13997 405913 2421481 70222949