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89999401 = 878310247
BaseRepresentation
bin1010101110101…
…00100000101001
320021100102222011
411113110200221
5141014440101
612532555521
72141660632
oct527244051
9207312864
1089999401
1146890978
1226182ba1
13158518ab
14bd4a889
157d7b751
hex55d4829

89999401 has 4 divisors (see below), whose sum is σ = 90018432. Its totient is φ = 89980372.

The previous prime is 89999369. The next prime is 89999453. The reversal of 89999401 is 10499998.

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 89999401 - 25 = 89999369 is a prime.

It is a super-3 number, since 3×899994013 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89999471) 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, 3660 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (22504608).

Almost surely, 289999401 is an apocalyptic number.

It is an amenable number.

89999401 is a deficient number, since it is larger than the sum of its proper divisors (19031).

89999401 is a wasteful number, since it uses less digits than its factorization.

89999401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 89999401 is about 9486.8014103806. The cubic root of 89999401 is about 448.1394804456.

The spelling of 89999401 in words is "eighty-nine million, nine hundred ninety-nine thousand, four hundred one".

Divisors: 1 8783 10247 89999401