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242502100 = 22522425021
BaseRepresentation
bin11100111010001…
…00100111010100
3121220022101100021
432131010213110
5444040031400
640021354524
76003143131
oct1635044724
9556271307
10242502100
11114982465
1269268a44
133b318989
14242c7588
151645271a
hexe7449d4

242502100 has 18 divisors (see below), whose sum is σ = 526229774. Its totient is φ = 97000800.

The previous prime is 242502097. The next prime is 242502101. The reversal of 242502100 is 1205242.

242502100 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 10061584 + 232440516 = 3172^2 + 15246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1212411 + ... + 1212610.

Almost surely, 2242502100 is an apocalyptic number.

242502100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242502100 is an abundant number, since it is smaller than the sum of its proper divisors (283727674).

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

242502100 is a wasteful number, since it uses less digits than its factorization.

242502100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425035 (or 2425028 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 242502100 is about 15572.4789291879. The cubic root of 242502100 is about 623.5986523077.

Adding to 242502100 its reverse (1205242), we get a palindrome (243707342).

The spelling of 242502100 in words is "two hundred forty-two million, five hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2425021 4850042 9700084 12125105 24250210 48500420 60625525 121251050 242502100