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242035420 = 225111100161
BaseRepresentation
bin11100110110100…
…10101011011100
3121212102200011211
432123102223130
5443430113140
640003354204
75666160424
oct1633225334
9555380154
10242035420
11114693880
1269082964
133b1b4433
1424205484
15163ae2ea
hexe6d2adc

242035420 has 24 divisors (see below), whose sum is σ = 554481648. Its totient is φ = 88012800.

The previous prime is 242035403. The next prime is 242035427. The reversal of 242035420 is 24530242.

It is a super-2 number, since 2×2420354202 = 117162289069152800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 242035391 and 242035400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242035427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549861 + ... + 550300.

It is an arithmetic number, because the mean of its divisors is an integer number (23103402).

Almost surely, 2242035420 is an apocalyptic number.

242035420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242035420 is an abundant number, since it is smaller than the sum of its proper divisors (312446228).

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

242035420 is a wasteful number, since it uses less digits than its factorization.

242035420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100181 (or 1100179 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 242035420 is about 15557.4875863682. The cubic root of 242035420 is about 623.1983699971.

Adding to 242035420 its reverse (24530242), we get a palindrome (266565662).

The spelling of 242035420 in words is "two hundred forty-two million, thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1100161 2200322 4400644 5500805 11001610 12101771 22003220 24203542 48407084 60508855 121017710 242035420