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2994257 = 7427751
BaseRepresentation
bin1011011011000001010001
312122010100102
423123001101
51231304012
6144102145
734310420
oct13330121
95563312
102994257
1117656a2
121004955
1380ab66
1457d2b7
153e22c2
hex2db051

2994257 has 4 divisors (see below), whose sum is σ = 3422016. Its totient is φ = 2566500.

The previous prime is 2994223. The next prime is 2994281. The reversal of 2994257 is 7524992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2994257 - 220 = 1945681 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2994257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2994757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213869 + ... + 213882.

It is an arithmetic number, because the mean of its divisors is an integer number (855504).

22994257 is an apocalyptic number.

It is an amenable number.

2994257 is a deficient number, since it is larger than the sum of its proper divisors (427759).

2994257 is an equidigital number, since it uses as much as digits as its factorization.

2994257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427758.

The product of its digits is 45360, while the sum is 38.

The square root of 2994257 is about 1730.3921520858. The cubic root of 2994257 is about 144.1328666943.

The spelling of 2994257 in words is "two million, nine hundred ninety-four thousand, two hundred fifty-seven".

Divisors: 1 7 427751 2994257