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90267077 = 433208469
BaseRepresentation
bin1010110000101…
…01110111000101
320021212001011002
411120111313011
5141102021302
612542423045
72144154215
oct530256705
9207761132
1090267077
1146a53a9a
1226291a85
1315916694
14bdba245
157dd0c02
hex5615dc5

90267077 has 4 divisors (see below), whose sum is σ = 90475980. Its totient is φ = 90058176.

The previous prime is 90267049. The next prime is 90267083. The reversal of 90267077 is 77076209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52983841 + 37283236 = 7279^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 90267077 - 218 = 90004933 is a prime.

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 90267077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90267377) 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, 103802 + ... + 104667.

It is an arithmetic number, because the mean of its divisors is an integer number (22618995).

Almost surely, 290267077 is an apocalyptic number.

It is an amenable number.

90267077 is a deficient number, since it is larger than the sum of its proper divisors (208903).

90267077 is a wasteful number, since it uses less digits than its factorization.

90267077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208902.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 90267077 is about 9500.8987469607. The cubic root of 90267077 is about 448.5833258263.

The spelling of 90267077 in words is "ninety million, two hundred sixty-seven thousand, seventy-seven".

Divisors: 1 433 208469 90267077