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2850140 = 225314597
BaseRepresentation
bin1010110111110101011100
312100210122202
422313311130
51212201030
6141031032
733140306
oct12676534
95323582
102850140
111677397
12b55478
1378a397
14542976
153b4745
hex2b7d5c

2850140 has 24 divisors (see below), whose sum is σ = 6179712. Its totient is φ = 1103040.

The previous prime is 2850097. The next prime is 2850157. The reversal of 2850140 is 410582.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (257488).

22850140 is an apocalyptic number.

2850140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2850140 is an abundant number, since it is smaller than the sum of its proper divisors (3329572).

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

2850140 is a wasteful number, since it uses less digits than its factorization.

2850140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2850140 is about 1688.2357655257. The cubic root of 2850140 is about 141.7823154075.

The spelling of 2850140 in words is "two million, eight hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4597 9194 18388 22985 45970 91940 142507 285014 570028 712535 1425070 2850140