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85072467 = 328357489
BaseRepresentation
bin1010001001000…
…01101001010011
312221002010111010
411010201221103
5133234304332
612235222003
72052050454
oct504415123
9187063433
1085072467
1144026227
12245a7903
131481814c
14b42712b
1577069cc
hex5121a53

85072467 has 4 divisors (see below), whose sum is σ = 113429960. Its totient is φ = 56714976.

The previous prime is 85072459. The next prime is 85072483. The reversal of 85072467 is 76427058.

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

It is not a de Polignac number, because 85072467 - 23 = 85072459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85072487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14178742 + ... + 14178747.

It is an arithmetic number, because the mean of its divisors is an integer number (28357490).

Almost surely, 285072467 is an apocalyptic number.

85072467 is a deficient number, since it is larger than the sum of its proper divisors (28357493).

85072467 is a wasteful number, since it uses less digits than its factorization.

85072467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28357492.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 85072467 is about 9223.4736948722. The cubic root of 85072467 is about 439.8078827258.

The spelling of 85072467 in words is "eighty-five million, seventy-two thousand, four hundred sixty-seven".

Divisors: 1 3 28357489 85072467