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244554137 = 5322720327
BaseRepresentation
bin11101001001110…
…01100110011001
3122001011122012122
432210321212121
51000101213022
640133351025
76026450552
oct1644714631
9561148178
10244554137
11116054163
1269a98475
133b8869b9
142469d329
151670a742
hexe939999

244554137 has 8 divisors (see below), whose sum is σ = 250278336. Its totient is φ = 238871152.

The previous prime is 244554131. The next prime is 244554139. The reversal of 244554137 is 731455442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-244554137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244554097 and 244554106.

It is not an unprimeable number, because it can be changed into a prime (244554131) 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, 1868 + ... + 22194.

It is an arithmetic number, because the mean of its divisors is an integer number (31284792).

Almost surely, 2244554137 is an apocalyptic number.

It is an amenable number.

244554137 is a deficient number, since it is larger than the sum of its proper divisors (5724199).

244554137 is a wasteful number, since it uses less digits than its factorization.

244554137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20607.

The product of its digits is 67200, while the sum is 35.

The square root of 244554137 is about 15638.2267856685. The cubic root of 244554137 is about 625.3526645403.

The spelling of 244554137 in words is "two hundred forty-four million, five hundred fifty-four thousand, one hundred thirty-seven".

Divisors: 1 53 227 12031 20327 1077331 4614229 244554137