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4545678925 = 52181827157
BaseRepresentation
bin1000011101111000…
…11000111001001101
3102201210111102012201
410032330120321031
533302143211200
62031021401501
7220434430144
oct41674307115
912653442181
104545678925
111a22a0a947
12a6a409291
135759ab158
143119da75b
151b9112c6a
hex10ef18e4d

4545678925 has 6 divisors (see below), whose sum is σ = 5636641898. Its totient is φ = 3636543120.

The previous prime is 4545678889. The next prime is 4545678953. The reversal of 4545678925 is 5298765454.

It can be written as a sum of positive squares in 3 ways, for example, as 4401604 + 4541277321 = 2098^2 + 67389^2 .

It is not a de Polignac number, because 4545678925 - 29 = 4545678413 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90913554 + ... + 90913603.

Almost surely, 24545678925 is an apocalyptic number.

It is an amenable number.

4545678925 is a deficient number, since it is larger than the sum of its proper divisors (1090962973).

4545678925 is a wasteful number, since it uses less digits than its factorization.

4545678925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181827167 (or 181827162 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 55.

The square root of 4545678925 is about 67421.6502690345. The cubic root of 4545678925 is about 1656.5310688533.

The spelling of 4545678925 in words is "four billion, five hundred forty-five million, six hundred seventy-eight thousand, nine hundred twenty-five".

Divisors: 1 5 25 181827157 909135785 4545678925