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7272841 is a prime number
BaseRepresentation
bin11011101111100110001001
3111200111110111
4123233212021
53330212331
6415514321
7115550422
oct33574611
914614414
107272841
114118214
1225289a1
131678474
14d74649
15989db1
hex6ef989

7272841 has 2 divisors, whose sum is σ = 7272842. Its totient is φ = 7272840.

The previous prime is 7272833. The next prime is 7272869. The reversal of 7272841 is 1482727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5593225 + 1679616 = 2365^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272841 - 23 = 7272833 is a prime.

It is a super-2 number, since 2×72728412 = 105788432422562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7272641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636420 + 3636421.

It is an arithmetic number, because the mean of its divisors is an integer number (3636421).

Almost surely, 27272841 is an apocalyptic number.

It is an amenable number.

7272841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272841 is an equidigital number, since it uses as much as digits as its factorization.

7272841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 31.

The square root of 7272841 is about 2696.8205353712. The cubic root of 7272841 is about 193.7468711253.

The spelling of 7272841 in words is "seven million, two hundred seventy-two thousand, eight hundred forty-one".