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2942637 = 34192341
BaseRepresentation
bin1011001110011010101101
312112111112120
423032122231
51223131022
6143023153
734004055
oct13163255
95474476
102942637
11172a935
12b9aab9
137c0509
14568565
153d1d5c
hex2ce6ad

2942637 has 8 divisors (see below), whose sum is σ = 3934560. Its totient is φ = 1956240.

The previous prime is 2942629. The next prime is 2942657. The reversal of 2942637 is 7362492.

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

It is not a de Polignac number, because 2942637 - 23 = 2942629 is a prime.

It is a super-2 number, since 2×29426372 = 17318225027538, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 9 + 44 + 219 + 63 + 313 + 77 .

It is a junction number, because it is equal to n+sod(n) for n = 2942598 and 2942607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (491820).

22942637 is an apocalyptic number.

It is an amenable number.

2942637 is a deficient number, since it is larger than the sum of its proper divisors (991923).

2942637 is a wasteful number, since it uses less digits than its factorization.

2942637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its digits is 18144, while the sum is 33.

The square root of 2942637 is about 1715.4116124126. The cubic root of 2942637 is about 143.2997932459.

The spelling of 2942637 in words is "two million, nine hundred forty-two thousand, six hundred thirty-seven".

Divisors: 1 3 419 1257 2341 7023 980879 2942637