Search a number
-
+
85077495 = 3251890611
BaseRepresentation
bin1010001001000…
…10110111110111
312221002101101100
411010202313313
5133234434440
612235301143
72052101226
oct504426767
9187071340
1085077495
1144029a88
12245aa7b3
131481a519
14b428cbd
157708230
hex5122df7

85077495 has 12 divisors (see below), whose sum is σ = 147467736. Its totient is φ = 45374640.

The previous prime is 85077491. The next prime is 85077539. The reversal of 85077495 is 59477058.

It is not a de Polignac number, because 85077495 - 22 = 85077491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1890611 = 85077495 / (8 + 5 + 0 + 7 + 7 + 4 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 85077495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85077491) 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, 945261 + ... + 945350.

It is an arithmetic number, because the mean of its divisors is an integer number (12288978).

Almost surely, 285077495 is an apocalyptic number.

85077495 is a deficient number, since it is larger than the sum of its proper divisors (62390241).

85077495 is a wasteful number, since it uses less digits than its factorization.

85077495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890622 (or 1890619 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 85077495 is about 9223.7462562670. The cubic root of 85077495 is about 439.8165471447.

The spelling of 85077495 in words is "eighty-five million, seventy-seven thousand, four hundred ninety-five".

Divisors: 1 3 5 9 15 45 1890611 5671833 9453055 17015499 28359165 85077495