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2674321 = 131712101
BaseRepresentation
bin1010001100111010010001
312000212110221
422030322101
51141034241
6133153041
731505566
oct12147221
95025427
102674321
111567291
12a8b781
13728350
144d886d
1537c5d1
hex28ce91

2674321 has 8 divisors (see below), whose sum is σ = 3049704. Its totient is φ = 2323200.

The previous prime is 2674319. The next prime is 2674333. The reversal of 2674321 is 1234762.

It can be written as a sum of positive squares in 4 ways, for example, as 1185921 + 1488400 = 1089^2 + 1220^2 .

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

It is a 2-Lehmer number, since φ(2674321) divides (2674321-1)2.

It is a cyclic number.

It is not a de Polignac number, because 2674321 - 21 = 2674319 is a prime.

It is a super-2 number, since 2×26743212 = 14303985622082, which contains 22 as substring.

It is a d-powerful number, because it can be written as 219 + 6 + 75 + 47 + 39 + 221 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2674381) 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, 5830 + ... + 6271.

It is an arithmetic number, because the mean of its divisors is an integer number (381213).

22674321 is an apocalyptic number.

It is an amenable number.

2674321 is a deficient number, since it is larger than the sum of its proper divisors (375383).

2674321 is a wasteful number, since it uses less digits than its factorization.

2674321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its digits is 2016, while the sum is 25.

The square root of 2674321 is about 1635.3351338487. The cubic root of 2674321 is about 138.8048085825.

It can be divided in two parts, 26 and 74321, that added together give a palindrome (74347).

The spelling of 2674321 in words is "two million, six hundred seventy-four thousand, three hundred twenty-one".

Divisors: 1 13 17 221 12101 157313 205717 2674321