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86070331 = 97887323
BaseRepresentation
bin1010010000101…
…01010000111011
312222221211022001
411020111100323
5134013222311
612312441431
72063404624
oct510252073
9188854261
1086070331
1144647a06
12249a9277
1314aa73b9
14b606a4b
1578524c1
hex521543b

86070331 has 4 divisors (see below), whose sum is σ = 86957752. Its totient is φ = 85182912.

The previous prime is 86070317. The next prime is 86070343. The reversal of 86070331 is 13307068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86070331 - 215 = 86037563 is a prime.

It is a super-2 number, since 2×860703312 = 14816203756899122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86070331.

It is not an unprimeable number, because it can be changed into a prime (86073331) 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, 443565 + ... + 443758.

It is an arithmetic number, because the mean of its divisors is an integer number (21739438).

Almost surely, 286070331 is an apocalyptic number.

86070331 is a deficient number, since it is larger than the sum of its proper divisors (887421).

86070331 is an equidigital number, since it uses as much as digits as its factorization.

86070331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887420.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 86070331 is about 9277.4097139234. The cubic root of 86070331 is about 441.5207895756.

Adding to 86070331 its reverse (13307068), we get a palindrome (99377399).

The spelling of 86070331 in words is "eighty-six million, seventy thousand, three hundred thirty-one".

Divisors: 1 97 887323 86070331