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242826620 = 225103117877
BaseRepresentation
bin11100111100100…
…11110101111100
3121220220212111112
432132103311330
5444130422440
640032341152
76005664221
oct1636236574
9556825445
10242826620
11115084263
12693a47b8
133b4005ba
142436d948
15164b8965
hexe793d7c

242826620 has 24 divisors (see below), whose sum is σ = 514891104. Its totient is φ = 96186816.

The previous prime is 242826613. The next prime is 242826643. The reversal of 242826620 is 26628242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56879 + ... + 60998.

It is an arithmetic number, because the mean of its divisors is an integer number (21453796).

Almost surely, 2242826620 is an apocalyptic number.

242826620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242826620 is an abundant number, since it is smaller than the sum of its proper divisors (272064484).

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

242826620 is a wasteful number, since it uses less digits than its factorization.

242826620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117989 (or 117987 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 242826620 is about 15582.8951097028. The cubic root of 242826620 is about 623.8766980512.

The spelling of 242826620 in words is "two hundred forty-two million, eight hundred twenty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 117877 235754 471508 589385 1178770 2357540 12141331 24282662 48565324 60706655 121413310 242826620