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89782725 = 3521197103
BaseRepresentation
bin1010101100111…
…11100111000101
320020221102202010
411112133213011
5140441021400
612524204433
72140066134
oct526374705
9206842663
1089782725
11467530aa
1226099719
13157a7096
14bcd191b
157d37450
hex559f9c5

89782725 has 12 divisors (see below), whose sum is σ = 148440896. Its totient is φ = 47884080.

The previous prime is 89782723. The next prime is 89782739. The reversal of 89782725 is 52728798.

It is not a de Polignac number, because 89782725 - 21 = 89782723 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 (89782723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598477 + ... + 598626.

Almost surely, 289782725 is an apocalyptic number.

It is an amenable number.

89782725 is a deficient number, since it is larger than the sum of its proper divisors (58658171).

89782725 is a wasteful number, since it uses less digits than its factorization.

89782725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197116 (or 1197111 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The square root of 89782725 is about 9475.3746627772. The cubic root of 89782725 is about 447.7795554614.

The spelling of 89782725 in words is "eighty-nine million, seven hundred eighty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 1197103 3591309 5985515 17956545 29927575 89782725