Search a number
-
+
90526974 = 2386317483
BaseRepresentation
bin1010110010101…
…01010011111110
320022100020122220
411121111103332
5141133330344
612552150210
72146316016
oct531252376
9208306586
1090526974
114711128a
1226398366
13159a7a75
14c046c46
157e32c19
hex56554fe

90526974 has 16 divisors (see below), whose sum is σ = 181274112. Its totient is φ = 30138968.

The previous prime is 90526939. The next prime is 90526979. The reversal of 90526974 is 47962509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90526979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564 + ... + 13919.

It is an arithmetic number, because the mean of its divisors is an integer number (11329632).

Almost surely, 290526974 is an apocalyptic number.

90526974 is an abundant number, since it is smaller than the sum of its proper divisors (90747138).

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

90526974 is a wasteful number, since it uses less digits than its factorization.

90526974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18351.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 90526974 is about 9514.5664115607. The cubic root of 90526974 is about 449.0134337246.

The spelling of 90526974 in words is "ninety million, five hundred twenty-six thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 863 1726 2589 5178 17483 34966 52449 104898 15087829 30175658 45263487 90526974