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241421240 = 2356035531
BaseRepresentation
bin11100110001111…
…00101110111000
3121211021110200102
432120330232320
5443300434430
635542254532
75661022004
oct1630745670
9554243612
10241421240
11114304395
1268a27448
133b02aa08
14240c5704
15162dc345
hexe63cbb8

241421240 has 16 divisors (see below), whose sum is σ = 543197880. Its totient is φ = 96568480.

The previous prime is 241421237. The next prime is 241421249. The reversal of 241421240 is 42124142.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241421249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017726 + ... + 3017805.

Almost surely, 2241421240 is an apocalyptic number.

241421240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241421240 is an abundant number, since it is smaller than the sum of its proper divisors (301776640).

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

241421240 is a wasteful number, since it uses less digits than its factorization.

241421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035542 (or 6035538 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 241421240 is about 15537.7359998167. The cubic root of 241421240 is about 622.6707885549.

Adding to 241421240 its reverse (42124142), we get a palindrome (283545382).

The spelling of 241421240 in words is "two hundred forty-one million, four hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 6035531 12071062 24142124 30177655 48284248 60355310 120710620 241421240