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2142070 = 25771431
BaseRepresentation
bin1000001010111101110110
311000211100221
420022331312
51022021240
6113524554
724131050
oct10127566
94024327
102142070
111233407
1287375a
1359ccc8
143da8d0
152c4a4a
hex20af76

2142070 has 32 divisors (see below), whose sum is σ = 4478976. Its totient is φ = 722400.

The previous prime is 2142067. The next prime is 2142073. The reversal of 2142070 is 702412.

It is an interprime number because it is at equal distance from previous prime (2142067) and next prime (2142073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

22142070 is an apocalyptic number.

2142070 is an abundant number, since it is smaller than the sum of its proper divisors (2336906).

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

2142070 is a wasteful number, since it uses less digits than its factorization.

2142070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2142070 is about 1463.5812242578. The cubic root of 2142070 is about 128.9074110762.

Adding to 2142070 its reverse (702412), we get a palindrome (2844482).

The spelling of 2142070 in words is "two million, one hundred forty-two thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 431 497 710 862 994 2155 2485 3017 4310 4970 6034 15085 30170 30601 61202 153005 214207 306010 428414 1071035 2142070