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89403213 = 329801071
BaseRepresentation
bin1010101010000…
…10111101001101
320020020011011010
411111002331031
5140341400323
612512115433
72133625524
oct525027515
9206204133
1089403213
1146513a59
1225b35b79
13156a3413
14bc334bb
157caec93
hex5542f4d

89403213 has 4 divisors (see below), whose sum is σ = 119204288. Its totient is φ = 59602140.

The previous prime is 89403199. The next prime is 89403233. The reversal of 89403213 is 31230498.

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 not a de Polignac number, because 89403213 - 29 = 89402701 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 (89403233) 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, 14900533 + ... + 14900538.

It is an arithmetic number, because the mean of its divisors is an integer number (29801072).

Almost surely, 289403213 is an apocalyptic number.

It is an amenable number.

89403213 is a deficient number, since it is larger than the sum of its proper divisors (29801075).

89403213 is a wasteful number, since it uses less digits than its factorization.

89403213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29801074.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 89403213 is about 9455.3272286050. The cubic root of 89403213 is about 447.1477423034.

The spelling of 89403213 in words is "eighty-nine million, four hundred three thousand, two hundred thirteen".

Divisors: 1 3 29801071 89403213