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89632397 = 223401939
BaseRepresentation
bin1010101011110…
…10111010001101
320020122210112102
411111322322031
5140421214042
612521044445
72135601641
oct525727215
9206583472
1089632397
1146660168
1226026725
131575382a
14bc92c21
157d07b32
hex557ae8d

89632397 has 4 divisors (see below), whose sum is σ = 90034560. Its totient is φ = 89230236.

The previous prime is 89632369. The next prime is 89632421. The reversal of 89632397 is 79323698.

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 89632397 - 226 = 22523533 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 (89632327) 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, 200747 + ... + 201192.

It is an arithmetic number, because the mean of its divisors is an integer number (22508640).

Almost surely, 289632397 is an apocalyptic number.

It is an amenable number.

89632397 is a deficient number, since it is larger than the sum of its proper divisors (402163).

89632397 is a wasteful number, since it uses less digits than its factorization.

89632397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402162.

The product of its digits is 489888, while the sum is 47.

The square root of 89632397 is about 9467.4387771984. The cubic root of 89632397 is about 447.5295021279.

The spelling of 89632397 in words is "eighty-nine million, six hundred thirty-two thousand, three hundred ninety-seven".

Divisors: 1 223 401939 89632397