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242125730 = 257111753349
BaseRepresentation
bin11100110111010…
…00101110100010
3121212121021001122
432123220232202
5443441010410
640005332242
76000014630
oct1633505642
9555537048
10242125730
11114745710
1269107082
133b216582
142422a350
15163cae55
hexe6e8ba2

242125730 has 128 divisors (see below), whose sum is σ = 587865600. Its totient is φ = 69488640.

The previous prime is 242125729. The next prime is 242125753. The reversal of 242125730 is 37521242.

It is a self number, because there is not a number n which added to its sum of digits gives 242125730.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 693596 + ... + 693944.

It is an arithmetic number, because the mean of its divisors is an integer number (4592700).

Almost surely, 2242125730 is an apocalyptic number.

242125730 is an abundant number, since it is smaller than the sum of its proper divisors (345739870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242125730 is a wasteful number, since it uses less digits than its factorization.

242125730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 242125730 is about 15560.3897766091. The cubic root of 242125730 is about 623.2758711142.

Adding to 242125730 its reverse (37521242), we get a palindrome (279646972).

The spelling of 242125730 in words is "two hundred forty-two million, one hundred twenty-five thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 53 55 70 77 85 106 110 119 154 170 187 238 265 349 371 374 385 530 583 595 698 742 770 901 935 1166 1190 1309 1745 1802 1855 1870 2443 2618 2915 3490 3710 3839 4081 4505 4886 5830 5933 6307 6545 7678 8162 9010 9911 11866 12215 12614 13090 18497 19195 19822 20405 24430 26873 29665 31535 36994 38390 40810 41531 49555 53746 59330 63070 65263 69377 83062 92485 99110 129479 130526 134365 138754 184970 203467 207655 258958 268730 314449 326315 346885 406934 415310 456841 628898 647395 652630 693770 913682 1017335 1294790 1424269 1572245 2034670 2201143 2284205 2848538 3144490 3458939 4402286 4568410 6917878 7121345 11005715 14242690 17294695 22011430 24212573 34589390 48425146 121062865 242125730