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2139150 = 2352131097
BaseRepresentation
bin1000001010010000001110
311000200100210
420022100032
51021423100
6113503250
724116406
oct10122016
94020323
102139150
1112311a2
12871b26
1359b890
143d9806
152c3c50
hex20a40e

2139150 has 48 divisors (see below), whose sum is σ = 5718384. Its totient is φ = 526080.

The previous prime is 2139149. The next prime is 2139157. The reversal of 2139150 is 519312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1402 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (119133).

22139150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2859192).

2139150 is an abundant number, since it is smaller than the sum of its proper divisors (3579234).

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

2139150 is a wasteful number, since it uses less digits than its factorization.

2139150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2139150 is about 1462.5833309593. The cubic root of 2139150 is about 128.8488103136.

The spelling of 2139150 in words is "two million, one hundred thirty-nine thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1097 1950 2194 3291 5485 6582 10970 14261 16455 27425 28522 32910 42783 54850 71305 82275 85566 142610 164550 213915 356525 427830 713050 1069575 2139150