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89988373 = 193466261
BaseRepresentation
bin1010101110100…
…01110100010101
320021022212211201
411113101310111
5141014111443
612532432501
72141613526
oct527216425
9207285751
1089988373
1146883662
1226178731
1315849877
14bd4684d
157d7834d
hex55d1d15

89988373 has 4 divisors (see below), whose sum is σ = 90454828. Its totient is φ = 89521920.

The previous prime is 89988323. The next prime is 89988377. The reversal of 89988373 is 37388998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61183684 + 28804689 = 7822^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 89988373 - 29 = 89987861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89988377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232938 + ... + 233323.

It is an arithmetic number, because the mean of its divisors is an integer number (22613707).

Almost surely, 289988373 is an apocalyptic number.

It is an amenable number.

89988373 is a deficient number, since it is larger than the sum of its proper divisors (466455).

89988373 is a wasteful number, since it uses less digits than its factorization.

89988373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466454.

The product of its digits is 2612736, while the sum is 55.

The square root of 89988373 is about 9486.2201640063. The cubic root of 89988373 is about 448.1211755680.

It can be divided in two parts, 8998 and 8373, that added together give a palindrome (17371).

The spelling of 89988373 in words is "eighty-nine million, nine hundred eighty-eight thousand, three hundred seventy-three".

Divisors: 1 193 466261 89988373