Search a number
-
+
89287941 = 3157293647
BaseRepresentation
bin1010101001001…
…10110100000101
320020000022000210
411110212310011
5140324203231
612505430033
72132635461
oct524466405
9206008023
1089287941
1146445396
1225a9b319
1315662b02
14bc034a1
157c8aa46
hex5526d05

89287941 has 16 divisors (see below), whose sum is σ = 120403584. Its totient is φ = 58853184.

The previous prime is 89287937. The next prime is 89287943. The reversal of 89287941 is 14978298.

It is not a de Polignac number, because 89287941 - 22 = 89287937 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89287943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137680 + ... + 138326.

It is an arithmetic number, because the mean of its divisors is an integer number (7525224).

Almost surely, 289287941 is an apocalyptic number.

It is an amenable number.

89287941 is a deficient number, since it is larger than the sum of its proper divisors (31115643).

89287941 is a wasteful number, since it uses less digits than its factorization.

89287941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its digits is 290304, while the sum is 48.

The square root of 89287941 is about 9449.2296511409. The cubic root of 89287941 is about 446.9554830572.

The spelling of 89287941 in words is "eighty-nine million, two hundred eighty-seven thousand, nine hundred forty-one".

Divisors: 1 3 157 293 471 647 879 1941 46001 101579 138003 189571 304737 568713 29762647 89287941