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740531430 = 23353118819
BaseRepresentation
bin101100001000111…
…001110011100110
31220121102220011000
4230020321303212
53004034001210
6201252054130
724231261522
oct5410716346
91817386130
10740531430
11350013251
12188004346
13ba560aa2
14704c8d82
154502bac0
hex2c239ce6

740531430 has 64 divisors (see below), whose sum is σ = 1981324800. Its totient is φ = 196817760.

The previous prime is 740531401. The next prime is 740531453. The reversal of 740531430 is 34135047.

740531430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 740531394 and 740531403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79561 + ... + 88379.

It is an arithmetic number, because the mean of its divisors is an integer number (30958200).

Almost surely, 2740531430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740531430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990662400).

740531430 is an abundant number, since it is smaller than the sum of its proper divisors (1240793370).

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

740531430 is a wasteful number, since it uses less digits than its factorization.

740531430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146 (or 9140 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 740531430 is about 27212.7071420688. The cubic root of 740531430 is about 904.7206406556.

Adding to 740531430 its reverse (34135047), we get a palindrome (774666477).

The spelling of 740531430 in words is "seven hundred forty million, five hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 311 622 933 1555 1866 2799 3110 4665 5598 8397 8819 9330 13995 16794 17638 26457 27990 41985 44095 52914 79371 83970 88190 132285 158742 238113 264570 396855 476226 793710 1190565 2381130 2742709 5485418 8228127 13713545 16456254 24684381 27427090 41140635 49368762 74053143 82281270 123421905 148106286 246843810 370265715 740531430