Search a number
-
+
90048147 = 3711533719
BaseRepresentation
bin1010101111000…
…00011010010011
320021102220211120
411113200122103
5141023020042
612534013323
72142253020
oct527403223
9207386746
1090048147
1146914562
12261a7243
131586ab37
14bd60547
157d8adec
hex55e0693

90048147 has 16 divisors (see below), whose sum is σ = 137372160. Its totient is φ = 51397632.

The previous prime is 90048143. The next prime is 90048169. The reversal of 90048147 is 74184009.

It is not a de Polignac number, because 90048147 - 22 = 90048143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90048143) 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, 22354 + ... + 26072.

It is an arithmetic number, because the mean of its divisors is an integer number (8585760).

Almost surely, 290048147 is an apocalyptic number.

90048147 is a deficient number, since it is larger than the sum of its proper divisors (47324013).

90048147 is a wasteful number, since it uses less digits than its factorization.

90048147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 90048147 is about 9489.3702109255. The cubic root of 90048147 is about 448.2203738149.

The spelling of 90048147 in words is "ninety million, forty-eight thousand, one hundred forty-seven".

Divisors: 1 3 7 21 1153 3459 3719 8071 11157 24213 26033 78099 4288007 12864021 30016049 90048147