Search a number
-
+
89364690 = 2325992941
BaseRepresentation
bin1010101001110…
…01100011010010
320020011012022100
411110321203102
5140334132230
612511221230
72133405312
oct524714322
9206135270
1089364690
1146498018
1225b17816
131568ba1c
14bc23442
157ca3660
hex55398d2

89364690 has 24 divisors (see below), whose sum is σ = 232348428. Its totient is φ = 23830560.

The previous prime is 89364673. The next prime is 89364697. The reversal of 89364690 is 9646398.

It can be written as a sum of positive squares in 2 ways, for example, as 83119689 + 6245001 = 9117^2 + 2499^2 .

It is a super-2 number, since 2×893646902 = 15972095637592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (89364697) 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 11 ways as a sum of consecutive naturals, for example, 496381 + ... + 496560.

Almost surely, 289364690 is an apocalyptic number.

89364690 is an abundant number, since it is smaller than the sum of its proper divisors (142983738).

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

89364690 is a wasteful number, since it uses less digits than its factorization.

89364690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992954 (or 992951 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 89364690 is about 9453.2899035204. The cubic root of 89364690 is about 447.0835091639.

The spelling of 89364690 in words is "eighty-nine million, three hundred sixty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 992941 1985882 2978823 4964705 5957646 8936469 9929410 14894115 17872938 29788230 44682345 89364690