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244891201 = 156492
BaseRepresentation
bin11101001100010…
…11111001000001
3122001210202120111
432212023321001
51000143004301
640144511321
76032353342
oct1646137101
9561722514
10244891201
11116264425
126a01b541
133b974249
142474a0c9
1516775551
hexe98be41

244891201 has 3 divisors (see below), whose sum is σ = 244906851. Its totient is φ = 244875552.

The previous prime is 244891187. The next prime is 244891249. The reversal of 244891201 is 102198442.

The square root of 244891201 is 15649.

It is a perfect power (a square), and thus also a powerful number.

244891201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 40972801 + 203918400 = 6401^2 + 14280^2 .

It is not a de Polignac number, because 244891201 - 25 = 244891169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244891601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7825 + ... + 23473.

It is an arithmetic number, because the mean of its divisors is an integer number (81635617).

Almost surely, 2244891201 is an apocalyptic number.

244891201 is the 15649-th square number.

244891201 is the 7825-th centered octagonal number.

It is an amenable number.

244891201 is a deficient number, since it is larger than the sum of its proper divisors (15650).

244891201 is an frugal number, since it uses more digits than its factorization.

244891201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31298 (or 15649 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The cubic root of 244891201 is about 625.6398362717.

The spelling of 244891201 in words is "two hundred forty-four million, eight hundred ninety-one thousand, two hundred one".

Divisors: 1 15649 244891201