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2861238 = 233115383
BaseRepresentation
bin1010111010100010110110
312101100212210
422322202312
51213024423
6141154250
733214542
oct12724266
95340783
102861238
111684766
12b5b986
13792453
14546a22
153b7b93
hex2ba8b6

2861238 has 16 divisors (see below), whose sum is σ = 5907456. Its totient is φ = 922920.

The previous prime is 2861233. The next prime is 2861239. The reversal of 2861238 is 8321682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (369216).

22861238 is an apocalyptic number.

2861238 is an abundant number, since it is smaller than the sum of its proper divisors (3046218).

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

2861238 is a wasteful number, since it uses less digits than its factorization.

2861238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419.

The product of its digits is 4608, while the sum is 30.

The square root of 2861238 is about 1691.5194353007. The cubic root of 2861238 is about 141.9661031304.

The spelling of 2861238 in words is "two million, eight hundred sixty-one thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 31 62 93 186 15383 30766 46149 92298 476873 953746 1430619 2861238