Search a number
-
+
90244154 = 27111345077
BaseRepresentation
bin1010110000100…
…00010000111010
320021210212201002
411120100100322
5141100303104
612542125002
72144030330
oct530202072
9207725632
1090244154
1146a38850
1226280762
1315909110
14bdb1b50
157dc901e
hex561043a

90244154 has 32 divisors (see below), whose sum is σ = 181754496. Its totient is φ = 32454720.

The previous prime is 90244153. The next prime is 90244159. The reversal of 90244154 is 45144209.

It is not an unprimeable number, because it can be changed into a prime (90244153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20537 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (5679828).

Almost surely, 290244154 is an apocalyptic number.

90244154 is an abundant number, since it is smaller than the sum of its proper divisors (91510342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90244154 is a wasteful number, since it uses less digits than its factorization.

90244154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45110.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 90244154 is about 9499.6923108067. The cubic root of 90244154 is about 448.5453505701.

The spelling of 90244154 in words is "ninety million, two hundred forty-four thousand, one hundred fifty-four".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 45077 90154 315539 495847 586001 631078 991694 1172002 3470929 4102007 6446011 6941858 8204014 12892022 45122077 90244154