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70045274 = 2132694049
BaseRepresentation
bin1000010110011…
…00111001011010
311212210200001102
410023030321122
5120412422044
610541151402
71510242425
oct413147132
9155720042
1070045274
11365a2062
121b55b562
1311686310
1494349bc
15623924e
hex42cce5a

70045274 has 8 divisors (see below), whose sum is σ = 113150100. Its totient is φ = 32328576.

The previous prime is 70045273. The next prime is 70045279. The reversal of 70045274 is 47254007.

It can be written as a sum of positive squares in 2 ways, for example, as 69472225 + 573049 = 8335^2 + 757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70045273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346999 + ... + 1347050.

Almost surely, 270045274 is an apocalyptic number.

70045274 is a deficient number, since it is larger than the sum of its proper divisors (43104826).

70045274 is a wasteful number, since it uses less digits than its factorization.

70045274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694064.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70045274 is about 8369.3054670026. The cubic root of 70045274 is about 412.2173618183.

The spelling of 70045274 in words is "seventy million, forty-five thousand, two hundred seventy-four".

Divisors: 1 2 13 26 2694049 5388098 35022637 70045274