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70580321 = 715116673
BaseRepresentation
bin1000011010011…
…11100001100001
311220210211222222
410031033201201
5121032032241
611000440425
71514631350
oct415174141
9156724888
1070580321
1136928049
121b779115
1311812a06
149533997
1562e2a4b
hex434f861

70580321 has 8 divisors (see below), whose sum is σ = 80728704. Its totient is φ = 60448320.

The previous prime is 70580297. The next prime is 70580327. The reversal of 70580321 is 12308507.

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 70580321 - 214 = 70563937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70580327) 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, 7241 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (10091088).

Almost surely, 270580321 is an apocalyptic number.

It is an amenable number.

70580321 is a deficient number, since it is larger than the sum of its proper divisors (10148383).

70580321 is a wasteful number, since it uses less digits than its factorization.

70580321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70580321 is about 8401.2094962571. The cubic root of 70580321 is about 413.2642868681.

Adding to 70580321 its reverse (12308507), we get a palindrome (82888828).

The spelling of 70580321 in words is "seventy million, five hundred eighty thousand, three hundred twenty-one".

Divisors: 1 7 1511 6673 10577 46711 10082903 70580321