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89554261 = 831078967
BaseRepresentation
bin1010101011001…
…11110101010101
320020111211100111
411111213311111
5140411214021
612515243021
72135125066
oct525476525
9206454314
1089554261
1146607495
1225ba9471
13157270b4
14bc7256d
157cde8e1
hex5567d55

89554261 has 4 divisors (see below), whose sum is σ = 90633312. Its totient is φ = 88475212.

The previous prime is 89554253. The next prime is 89554273. The reversal of 89554261 is 16245598.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16245598 = 28122799.

It is a cyclic number.

It is not a de Polignac number, because 89554261 - 23 = 89554253 is a prime.

It is a super-2 number, since 2×895542612 = 16039931326512242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89554211) 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, 539401 + ... + 539566.

It is an arithmetic number, because the mean of its divisors is an integer number (22658328).

Almost surely, 289554261 is an apocalyptic number.

It is an amenable number.

89554261 is a deficient number, since it is larger than the sum of its proper divisors (1079051).

89554261 is a wasteful number, since it uses less digits than its factorization.

89554261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079050.

The product of its digits is 86400, while the sum is 40.

The square root of 89554261 is about 9463.3113126432. The cubic root of 89554261 is about 447.3994214417.

The spelling of 89554261 in words is "eighty-nine million, five hundred fifty-four thousand, two hundred sixty-one".

Divisors: 1 83 1078967 89554261