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70300049 = 174135297
BaseRepresentation
bin1000011000010…
…11000110010001
311220021121112112
410030023012101
5120444100144
610550435105
71512353261
oct414130621
9156247475
1070300049
1136756516
121b662a95
1311745281
14949d7a1
15628999e
hex430b191

70300049 has 4 divisors (see below), whose sum is σ = 74435364. Its totient is φ = 66164736.

The previous prime is 70300007. The next prime is 70300051. The reversal of 70300049 is 94000307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94000307 = 163576689.

It can be written as a sum of positive squares in 2 ways, for example, as 43467649 + 26832400 = 6593^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 70300049 - 28 = 70299793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70299997 and 70300033.

It is not an unprimeable number, because it can be changed into a prime (70300079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067632 + ... + 2067665.

It is an arithmetic number, because the mean of its divisors is an integer number (18608841).

Almost surely, 270300049 is an apocalyptic number.

It is an amenable number.

70300049 is a deficient number, since it is larger than the sum of its proper divisors (4135315).

70300049 is a wasteful number, since it uses less digits than its factorization.

70300049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135314.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 70300049 is about 8384.5124485566. The cubic root of 70300049 is about 412.7165418314.

The spelling of 70300049 in words is "seventy million, three hundred thousand, forty-nine".

Divisors: 1 17 4135297 70300049