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242020450 = 2527798753
BaseRepresentation
bin11100110110011…
…11000001100010
3121212101220122101
432123033001202
5443424123300
640003201014
75666065660
oct1633170142
9555356571
10242020450
11114683601
126907616a
133b1aa689
14241ddc30
15163a9b6a
hexe6cf062

242020450 has 48 divisors (see below), whose sum is σ = 521038080. Its totient is φ = 81918720.

The previous prime is 242020409. The next prime is 242020451. The reversal of 242020450 is 54020242.

242020450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242020451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23274 + ... + 32026.

It is an arithmetic number, because the mean of its divisors is an integer number (10854960).

Almost surely, 2242020450 is an apocalyptic number.

242020450 is an abundant number, since it is smaller than the sum of its proper divisors (279017630).

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

242020450 is a wasteful number, since it uses less digits than its factorization.

242020450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851 (or 8846 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 242020450 is about 15557.0064601131. The cubic root of 242020450 is about 623.1855213654.

Adding to 242020450 its reverse (54020242), we get a palindrome (296040692).

The spelling of 242020450 in words is "two hundred forty-two million, twenty thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 79 158 175 350 395 553 790 1106 1975 2765 3950 5530 8753 13825 17506 27650 43765 61271 87530 122542 218825 306355 437650 612710 691487 1382974 1531775 3063550 3457435 4840409 6914870 9680818 17287175 24202045 34574350 48404090 121010225 242020450