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2387140 = 225717259
BaseRepresentation
bin1001000110110011000100
311111021112121
421012303010
51102342030
6123055324
726201410
oct11066304
94437477
102387140
111390548
12971544
13657712
14461d40
1532247a
hex246cc4

2387140 has 72 divisors (see below), whose sum is σ = 6189120. Its totient is φ = 757248.

The previous prime is 2387137. The next prime is 2387149. The reversal of 2387140 is 417832.

It is not an unprimeable number, because it can be changed into a prime (2387149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40431 + ... + 40489.

It is an arithmetic number, because the mean of its divisors is an integer number (85960).

22387140 is an apocalyptic number.

2387140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2387140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3094560).

2387140 is an abundant number, since it is smaller than the sum of its proper divisors (3801980).

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

2387140 is a wasteful number, since it uses less digits than its factorization.

2387140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2387140 is about 1545.0372163802. The cubic root of 2387140 is about 133.6470252903.

The spelling of 2387140 in words is "two million, three hundred eighty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 59 68 70 85 118 119 140 170 236 238 289 295 340 413 476 578 590 595 826 1003 1156 1180 1190 1445 1652 2006 2023 2065 2380 2890 4012 4046 4130 5015 5780 7021 8092 8260 10030 10115 14042 17051 20060 20230 28084 34102 35105 40460 68204 70210 85255 119357 140420 170510 238714 341020 477428 596785 1193570 2387140