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2421274 = 21210637
BaseRepresentation
bin1001001111001000011010
311120000100211
421033020122
51104440044
6123521334
726403052
oct11171032
94500324
102421274
111404159
1298924a
1366a10b
14470562
1532c634
hex24f21a

2421274 has 4 divisors (see below), whose sum is σ = 3631914. Its totient is φ = 1210636.

The previous prime is 2421253. The next prime is 2421277. The reversal of 2421274 is 4721242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4721242 = 22360621.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 3249 = 1555^2 + 57^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2421277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605317 + ... + 605320.

22421274 is an apocalyptic number.

2421274 is a deficient number, since it is larger than the sum of its proper divisors (1210640).

2421274 is a wasteful number, since it uses less digits than its factorization.

2421274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210639.

The product of its digits is 896, while the sum is 22.

The square root of 2421274 is about 1556.0443438411. The cubic root of 2421274 is about 134.2810245404.

Subtracting 2421274 from its reverse (4721242), we obtain a cube (2299968 = 1323).

The spelling of 2421274 in words is "two million, four hundred twenty-one thousand, two hundred seventy-four".

Divisors: 1 2 1210637 2421274