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2025877725 = 32529003901
BaseRepresentation
bin111100011000000…
…0111000011011101
312020012001020210100
41320300013003131
513122111041400
6533005331313
7101126451024
oct17060070335
95205036710
102025877725
1194a611a13
12486566b39
13263937c21
141530b38bb
15bccc5100
hex78c070dd

2025877725 has 18 divisors (see below), whose sum is σ = 3628572506. Its totient is φ = 1080468000.

The previous prime is 2025877723. The next prime is 2025877729. The reversal of 2025877725 is 5277785202.

It can be written as a sum of positive squares in 3 ways, for example, as 398481444 + 1627396281 = 19962^2 + 40341^2 .

It is not a de Polignac number, because 2025877725 - 21 = 2025877723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025877723) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4501726 + ... + 4502175.

Almost surely, 22025877725 is an apocalyptic number.

2025877725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2025877725 is a deficient number, since it is larger than the sum of its proper divisors (1602694781).

2025877725 is a wasteful number, since it uses less digits than its factorization.

2025877725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003917 (or 9003909 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 2025877725 is about 45009.7514434372. The cubic root of 2025877725 is about 1265.3317621506.

The spelling of 2025877725 in words is "two billion, twenty-five million, eight hundred seventy-seven thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 9003901 27011703 45019505 81035109 135058515 225097525 405175545 675292575 2025877725