Search a number
-
+
242240670 = 23257384509
BaseRepresentation
bin11100111000001…
…00110010011110
3121212211002201200
432130010302132
5444003200140
640012020330
76001004010
oct1634046236
9555732650
10242240670
11114814001
12691616a6
133b256999
142425a1b0
1516400030
hexe704c9e

242240670 has 48 divisors (see below), whose sum is σ = 719802720. Its totient is φ = 55369152.

The previous prime is 242240627. The next prime is 242240731. The reversal of 242240670 is 76042242.

It is a happy number.

242240670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191625 + ... + 192884.

It is an arithmetic number, because the mean of its divisors is an integer number (14995890).

Almost surely, 2242240670 is an apocalyptic number.

242240670 is an abundant number, since it is smaller than the sum of its proper divisors (477562050).

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

242240670 is a wasteful number, since it uses less digits than its factorization.

242240670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384529 (or 384526 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 242240670 is about 15564.0826906053. The cubic root of 242240670 is about 623.3744810328.

The spelling of 242240670 in words is "two hundred forty-two million, two hundred forty thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 384509 769018 1153527 1922545 2307054 2691563 3460581 3845090 5383126 5767635 6921162 8074689 11535270 13457815 16149378 17302905 24224067 26915630 34605810 40373445 48448134 80746890 121120335 242240670