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244157245 = 5479710711
BaseRepresentation
bin11101000110110…
…00101100111101
3122000102110202221
432203120230331
51000001012440
640121045341
76023205463
oct1643305475
9560373687
10244157245
11115902a52
1269926851
133b778157
14245d8833
151667cd4a
hexe8d8b3d

244157245 has 16 divisors (see below), whose sum is σ = 302335488. Its totient is φ = 189181440.

The previous prime is 244157233. The next prime is 244157257. The reversal of 244157245 is 542751442.

It is an interprime number because it is at equal distance from previous prime (244157233) and next prime (244157257).

It is not a de Polignac number, because 244157245 - 29 = 244156733 is a prime.

It is a super-2 number, since 2×2441572452 = 119225520571980050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244157245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17440 + ... + 28150.

It is an arithmetic number, because the mean of its divisors is an integer number (18895968).

Almost surely, 2244157245 is an apocalyptic number.

It is an amenable number.

244157245 is a deficient number, since it is larger than the sum of its proper divisors (58178243).

244157245 is a wasteful number, since it uses less digits than its factorization.

244157245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its digits is 44800, while the sum is 34.

The square root of 244157245 is about 15625.5318309490. The cubic root of 244157245 is about 625.0141820782.

The spelling of 244157245 in words is "two hundred forty-four million, one hundred fifty-seven thousand, two hundred forty-five".

Divisors: 1 5 47 97 235 485 4559 10711 22795 53555 503417 1038967 2517085 5194835 48831449 244157245