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242140941 = 33723531051
BaseRepresentation
bin11100110111011…
…00011100001101
3121212122000221000
432123230130031
5443442002231
640005530513
76000110160
oct1633543415
9555560830
10242140941
11114756089
1269113a39
133b220483
1424231ad7
15163d06e6
hexe6ec70d

242140941 has 64 divisors (see below), whose sum is σ = 436285440. Its totient is φ = 129729600.

The previous prime is 242140937. The next prime is 242140973. The reversal of 242140941 is 149041242.

It is a happy number.

It is not a de Polignac number, because 242140941 - 22 = 242140937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140931) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229866 + ... + 230916.

It is an arithmetic number, because the mean of its divisors is an integer number (6816960).

Almost surely, 2242140941 is an apocalyptic number.

242140941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242140941 is a deficient number, since it is larger than the sum of its proper divisors (194144499).

242140941 is a wasteful number, since it uses less digits than its factorization.

242140941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 242140941 is about 15560.8785420361. The cubic root of 242140941 is about 623.2889228053.

The spelling of 242140941 in words is "two hundred forty-two million, one hundred forty thousand, nine hundred forty-one".

Divisors: 1 3 7 9 21 23 27 53 63 69 159 161 189 207 371 477 483 621 1051 1113 1219 1431 1449 3153 3339 3657 4347 7357 8533 9459 10017 10971 22071 24173 25599 28377 32913 55703 66213 72519 76797 167109 169211 198639 217557 230391 389921 501327 507633 652671 1169763 1281169 1503981 1522899 3509289 3843507 4568697 8968183 10527867 11530521 26904549 34591563 80713647 242140941