Search a number
-
+
90048043 = 181499997
BaseRepresentation
bin1010101111000…
…00011000101011
320021102220200201
411113200120223
5141023014133
612534013031
72142252511
oct527403053
9207386621
1090048043
1146914478
12261a7177
131586aa87
14bd604b1
157d8ad7d
hex55e062b

90048043 has 8 divisors (see below), whose sum is σ = 90818000. Its totient is φ = 89281440.

The previous prime is 90048041. The next prime is 90048089. The reversal of 90048043 is 34084009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90048043 - 21 = 90048041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90048041) 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 7 ways as a sum of consecutive naturals, for example, 89821 + ... + 90817.

It is an arithmetic number, because the mean of its divisors is an integer number (11352250).

Almost surely, 290048043 is an apocalyptic number.

90048043 is a deficient number, since it is larger than the sum of its proper divisors (769957).

90048043 is a wasteful number, since it uses less digits than its factorization.

90048043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 90048043 is about 9489.3647311082. The cubic root of 90048043 is about 448.2202012593.

The spelling of 90048043 in words is "ninety million, forty-eight thousand, forty-three".

Divisors: 1 181 499 997 90319 180457 497503 90048043