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2234335640 = 23571977689
BaseRepresentation
bin1000010100101101…
…0100000110011000
312202201022000021212
42011023110012120
514033442220030
61005413322252
7106240353035
oct20513240630
95681260255
102234335640
11a47251489
12524336388
13297b93bc4
14172a5838c
15d1250595
hex852d4198

2234335640 has 32 divisors (see below), whose sum is σ = 5034312000. Its totient is φ = 892479744.

The previous prime is 2234335577. The next prime is 2234335673. The reversal of 2234335640 is 465334322.

It is a junction number, because it is equal to n+sod(n) for n = 2234335597 and 2234335606.

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, 10085 + ... + 67604.

It is an arithmetic number, because the mean of its divisors is an integer number (157322250).

Almost surely, 22234335640 is an apocalyptic number.

2234335640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2234335640 is an abundant number, since it is smaller than the sum of its proper divisors (2799976360).

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

2234335640 is a wasteful number, since it uses less digits than its factorization.

2234335640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78419 (or 78415 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 2234335640 is about 47268.7596621701. The cubic root of 2234335640 is about 1307.3227063962.

Adding to 2234335640 its reverse (465334322), we get a palindrome (2699669962).

The spelling of 2234335640 in words is "two billion, two hundred thirty-four million, three hundred thirty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 719 1438 2876 3595 5752 7190 14380 28760 77689 155378 310756 388445 621512 776890 1553780 3107560 55858391 111716782 223433564 279291955 446867128 558583910 1117167820 2234335640