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234437020 = 22553673301
BaseRepresentation
bin11011111100100…
…11100110011100
3121100010122010121
431332103212130
5440003441040
635132444324
75544452566
oct1576234634
9540118117
10234437020
11110374004
12666196a4
1339753a3c
14231c8336
15158acc4a
hexdf9399c

234437020 has 48 divisors (see below), whose sum is σ = 509247648. Its totient is φ = 90604800.

The previous prime is 234436933. The next prime is 234437041. The reversal of 234437020 is 20734432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69370 + ... + 72670.

It is an arithmetic number, because the mean of its divisors is an integer number (10609326).

Almost surely, 2234437020 is an apocalyptic number.

234437020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234437020 is an abundant number, since it is smaller than the sum of its proper divisors (274810628).

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

234437020 is a wasteful number, since it uses less digits than its factorization.

234437020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 234437020 is about 15311.3363231300. The cubic root of 234437020 is about 616.6073975989.

The spelling of 234437020 in words is "two hundred thirty-four million, four hundred thirty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 53 67 106 134 212 265 268 335 530 670 1060 1340 3301 3551 6602 7102 13204 14204 16505 17755 33010 35510 66020 71020 174953 221167 349906 442334 699812 874765 884668 1105835 1749530 2211670 3499060 4423340 11721851 23443702 46887404 58609255 117218510 234437020