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85830051 = 38324153
BaseRepresentation
bin1010001110110…
…10100110100011
312222111121200210
411013122212203
5133433030201
612303345203
72061354246
oct507324643
9188447623
1085830051
11444a342a
12248b2203
1314a21c18
14b58325d
1578061d6
hex51da9a3

85830051 has 12 divisors (see below), whose sum is σ = 115863368. Its totient is φ = 56517024.

The previous prime is 85830013. The next prime is 85830071. The reversal of 85830051 is 15003858.

It is a happy number.

It is not a de Polignac number, because 85830051 - 29 = 85829539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85830001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18591 + ... + 22743.

Almost surely, 285830051 is an apocalyptic number.

85830051 is a deficient number, since it is larger than the sum of its proper divisors (30033317).

85830051 is an equidigital number, since it uses as much as digits as its factorization.

85830051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 85830051 is about 9264.4509281446. The cubic root of 85830051 is about 441.1095464717.

The spelling of 85830051 in words is "eighty-five million, eight hundred thirty thousand, fifty-one".

Divisors: 1 3 83 249 4153 6889 12459 20667 344699 1034097 28610017 85830051