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244072 = 2330509
BaseRepresentation
bin111011100101101000
3110101210201
4323211220
530302242
65121544
72034403
oct734550
9411721
10244072
11157414
12b92b4
138712a
1464d3a
154c4b7
hex3b968

244072 has 8 divisors (see below), whose sum is σ = 457650. Its totient is φ = 122032.

The previous prime is 244043. The next prime is 244087. The reversal of 244072 is 270442.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 36 = 494^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2440722 = 119142282368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

244072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247 + ... + 15262.

2244072 is an apocalyptic number.

It is an amenable number.

244072 is a deficient number, since it is larger than the sum of its proper divisors (213578).

244072 is a wasteful number, since it uses less digits than its factorization.

244072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515 (or 30511 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 244072 is about 494.0364359033. The cubic root of 244072 is about 62.4941434512.

It can be divided in two parts, 24 and 4072, that added together give a 12-th power (4096 = 212).

The spelling of 244072 in words is "two hundred forty-four thousand, seventy-two", and thus it is an iban number.

Divisors: 1 2 4 8 30509 61018 122036 244072