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2025254140 = 2257131112777
BaseRepresentation
bin111100010110110…
…1110110011111100
312020010212120101121
41320231232303330
513121431113030
6532544120324
7101121243010
oct17055566374
95203776347
102025254140
1194a226458
124863060a4
1326377a140
14152d90540
15bcc0047a
hex78b6ecfc

2025254140 has 48 divisors (see below), whose sum is σ = 5234507712. Its totient is φ = 640958976.

The previous prime is 2025254131. The next prime is 2025254219. The reversal of 2025254140 is 414525202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554569 + ... + 558208.

It is an arithmetic number, because the mean of its divisors is an integer number (109052244).

Almost surely, 22025254140 is an apocalyptic number.

2025254140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025254140 is an abundant number, since it is smaller than the sum of its proper divisors (3209253572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2025254140 is a wasteful number, since it uses less digits than its factorization.

2025254140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112806 (or 1112804 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2025254140 is about 45002.8236891864. The cubic root of 2025254140 is about 1265.2019216591.

Adding to 2025254140 its reverse (414525202), we get a palindrome (2439779342).

The spelling of 2025254140 in words is "two billion, twenty-five million, two hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 1112777 2225554 4451108 5563885 7789439 11127770 14466101 15578878 22255540 28932202 31157756 38947195 57864404 72330505 77894390 101262707 144661010 155788780 202525414 289322020 405050828 506313535 1012627070 2025254140