Search a number
-
+
90846973 = 712978139
BaseRepresentation
bin1010110101000…
…11011011111101
320022221111121201
411122203123331
5141224100343
613003055501
72152120660
oct532433375
9208844551
1090846973
114730a748
1226511591
1315a8a609
14c0cb6d7
157e9794d
hex56a36fd

90846973 has 4 divisors (see below), whose sum is σ = 103825120. Its totient is φ = 77868828.

The previous prime is 90846953. The next prime is 90846979. The reversal of 90846973 is 37964809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90846973 - 225 = 57292541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90846979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6489063 + ... + 6489076.

It is an arithmetic number, because the mean of its divisors is an integer number (25956280).

Almost surely, 290846973 is an apocalyptic number.

It is an amenable number.

90846973 is a deficient number, since it is larger than the sum of its proper divisors (12978147).

90846973 is a wasteful number, since it uses less digits than its factorization.

90846973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978146.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 90846973 is about 9531.3678451731. The cubic root of 90846973 is about 449.5418761507.

It can be divided in two parts, 90846 and 973, that added together give a palindrome (91819).

The spelling of 90846973 in words is "ninety million, eight hundred forty-six thousand, nine hundred seventy-three".

Divisors: 1 7 12978139 90846973