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90814995 = 3252018111
BaseRepresentation
bin1010110100110…
…11101000010011
320022212212202100
411122123220103
5141222034440
613002251443
72151625515
oct532335023
9208785670
1090814995
1147298717
12264b6b83
1315a78bab
14c0bdbb5
157e8d230
hex569ba13

90814995 has 12 divisors (see below), whose sum is σ = 157412736. Its totient is φ = 48434640.

The previous prime is 90814991. The next prime is 90815009. The reversal of 90814995 is 59941809.

It is not a de Polignac number, because 90814995 - 22 = 90814991 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: 2018111 = 90814995 / (9 + 0 + 8 + 1 + 4 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 90814995.

It is not an unprimeable number, because it can be changed into a prime (90814991) 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, 1009011 + ... + 1009100.

It is an arithmetic number, because the mean of its divisors is an integer number (13117728).

Almost surely, 290814995 is an apocalyptic number.

90814995 is a deficient number, since it is larger than the sum of its proper divisors (66597741).

90814995 is a wasteful number, since it uses less digits than its factorization.

90814995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018122 (or 2018119 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 90814995 is about 9529.6901838412. The cubic root of 90814995 is about 449.4891239357.

It can be divided in two parts, 90814 and 995, that added together give a square (91809 = 3032).

The spelling of 90814995 in words is "ninety million, eight hundred fourteen thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 2018111 6054333 10090555 18162999 30271665 90814995