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90274311 = 339734469
BaseRepresentation
bin1010110000101…
…11101000000111
320021212102002000
411120113220013
5141102234221
612542520343
72144214261
oct530275007
9207772060
1090274311
1146a59476
12262960b3
1315919a6a
14bdbcb31
157dd2e26
hex5617a07

90274311 has 16 divisors (see below), whose sum is σ = 135122400. Its totient is φ = 59560704.

The previous prime is 90274297. The next prime is 90274321. The reversal of 90274311 is 11347209.

It is not a de Polignac number, because 90274311 - 25 = 90274279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90274321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14616 + ... + 19853.

It is an arithmetic number, because the mean of its divisors is an integer number (8445150).

Almost surely, 290274311 is an apocalyptic number.

90274311 is a deficient number, since it is larger than the sum of its proper divisors (44848089).

90274311 is a wasteful number, since it uses less digits than its factorization.

90274311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34575 (or 34569 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 90274311 is about 9501.2794401596. The cubic root of 90274311 is about 448.5953086563.

The spelling of 90274311 in words is "ninety million, two hundred seventy-four thousand, three hundred eleven".

Divisors: 1 3 9 27 97 291 873 2619 34469 103407 310221 930663 3343493 10030479 30091437 90274311