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25342380 = 22325720113
BaseRepresentation
bin110000010101…
…1000110101100
31202200112012200
41200223012230
522441424010
62303101500
7425256330
oct140530654
952615180
1025342380
111333a118
1285a1890
135333cbb
1435197c0
152358cc0
hex182b1ac

25342380 has 72 divisors (see below), whose sum is σ = 87857952. Its totient is φ = 5792256.

The previous prime is 25342379. The next prime is 25342381. The reversal of 25342380 is 8324352.

It is an interprime number because it is at equal distance from previous prime (25342379) and next prime (25342381).

It is not an unprimeable number, because it can be changed into a prime (25342381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8797 + ... + 11316.

Almost surely, 225342380 is an apocalyptic number.

25342380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25342380 is an abundant number, since it is smaller than the sum of its proper divisors (62515572).

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

25342380 is a wasteful number, since it uses less digits than its factorization.

25342380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135 (or 20130 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25342380 is about 5034.1215718336. The cubic root of 25342380 is about 293.7305597517.

The spelling of 25342380 in words is "twenty-five million, three hundred forty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 20113 40226 60339 80452 100565 120678 140791 181017 201130 241356 281582 301695 362034 402260 422373 563164 603390 703955 724068 844746 905085 1206780 1267119 1407910 1689492 1810170 2111865 2534238 2815820 3620340 4223730 5068476 6335595 8447460 12671190 25342380