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2642951 = 47531061
BaseRepresentation
bin1010000101010000000111
311222021110002
422011100013
51134033301
6132351515
731315253
oct12052007
94867402
102642951
111545763
12a7559b
13716c9c
144cb263
1537316b
hex285407

2642951 has 8 divisors (see below), whose sum is σ = 2752704. Its totient is φ = 2535520.

The previous prime is 2642933. The next prime is 2642971. The reversal of 2642951 is 1592462.

It is a happy number.

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

It is not a de Polignac number, because 2642951 - 210 = 2641927 is a prime.

It is a d-powerful number, because it can be written as 29 + 67 + 49 + 221 + 92 + 55 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642971) 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, 1961 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (344088).

22642951 is an apocalyptic number.

2642951 is a deficient number, since it is larger than the sum of its proper divisors (109753).

2642951 is a wasteful number, since it uses less digits than its factorization.

2642951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its digits is 4320, while the sum is 29.

The square root of 2642951 is about 1625.7155347723. The cubic root of 2642951 is about 138.2599420380.

The spelling of 2642951 in words is "two million, six hundred forty-two thousand, nine hundred fifty-one".

Divisors: 1 47 53 1061 2491 49867 56233 2642951