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2142294 = 237114637
BaseRepresentation
bin1000001011000001010110
311000211200020
420023001112
51022023134
6113530010
724131520
oct10130126
94024606
102142294
1112335a0
12873906
135a013b
143daa10
152c4b49
hex20b056

2142294 has 32 divisors (see below), whose sum is σ = 5342976. Its totient is φ = 556320.

The previous prime is 2142293. The next prime is 2142299. The reversal of 2142294 is 4922412.

It is a super-3 number, since 3×21422943 = 29495683812333444552, which contains 333 as substring.

It is a d-powerful number, because it can be written as 213 + 1 + 4 + 215 + 221 + 92 + 46 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142293) 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, 1857 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (166968).

22142294 is an apocalyptic number.

2142294 is an abundant number, since it is smaller than the sum of its proper divisors (3200682).

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

2142294 is a wasteful number, since it uses less digits than its factorization.

2142294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660.

The product of its digits is 1152, while the sum is 24.

The square root of 2142294 is about 1463.6577468794. The cubic root of 2142294 is about 128.9119042772.

The spelling of 2142294 in words is "two million, one hundred forty-two thousand, two hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 4637 9274 13911 27822 32459 51007 64918 97377 102014 153021 194754 306042 357049 714098 1071147 2142294