Search a number
-
+
90835667 = 136987359
BaseRepresentation
bin1010110101000…
…00101011010011
320022220221002222
411122200223103
5141223220132
613002531255
72152043006
oct532405323
9208827088
1090835667
11473021aa
1226506b2b
1315a85420
14c0c753d
157e94412
hex56a0ad3

90835667 has 4 divisors (see below), whose sum is σ = 97823040. Its totient is φ = 83848296.

The previous prime is 90835621. The next prime is 90835669. The reversal of 90835667 is 76653809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76653809 = 194034411.

It is a cyclic number.

It is not a de Polignac number, because 90835667 - 26 = 90835603 is a prime.

It is a super-2 number, since 2×908356672 = 16502236798669778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90835669) 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 3 ways as a sum of consecutive naturals, for example, 3493667 + ... + 3493692.

It is an arithmetic number, because the mean of its divisors is an integer number (24455760).

Almost surely, 290835667 is an apocalyptic number.

90835667 is a deficient number, since it is larger than the sum of its proper divisors (6987373).

90835667 is a wasteful number, since it uses less digits than its factorization.

90835667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987372.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 90835667 is about 9530.7747324129. The cubic root of 90835667 is about 449.5232267262.

The spelling of 90835667 in words is "ninety million, eight hundred thirty-five thousand, six hundred sixty-seven".

Divisors: 1 13 6987359 90835667