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2126031 = 33671931
BaseRepresentation
bin1000000111000011001111
311000000100220
420013003033
51021013111
6113322423
724033225
oct10070317
94000326
102126031
111222356
12866413
1359590b
143d4b15
152bee06
hex2070cf

2126031 has 8 divisors (see below), whose sum is σ = 2843904. Its totient is φ = 1412760.

The previous prime is 2126029. The next prime is 2126039. The reversal of 2126031 is 1306212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2126031 - 21 = 2126029 is a prime.

It is a super-2 number, since 2×21260312 = 9040015625922, which contains 22 as substring.

It is an Ulam number.

2126031 is a lucky number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2126031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126039) 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, 136 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (355488).

22126031 is an apocalyptic number.

2126031 is a deficient number, since it is larger than the sum of its proper divisors (717873).

2126031 is a wasteful number, since it uses less digits than its factorization.

2126031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2126031 is about 1458.0915609110. The cubic root of 2126031 is about 128.5848682600.

The spelling of 2126031 in words is "two million, one hundred twenty-six thousand, thirty-one".

Divisors: 1 3 367 1101 1931 5793 708677 2126031