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755434140 = 223512590569
BaseRepresentation
bin101101000001110…
…000001010011100
31221122111000211020
4231001300022130
53021342343030
6202543324140
724502040616
oct5501601234
91848430736
10755434140
1135847193a
12190bb0650
13c067b066
1472487db6
15464c2510
hex2d07029c

755434140 has 24 divisors (see below), whose sum is σ = 2115215760. Its totient is φ = 201449088.

The previous prime is 755434139. The next prime is 755434177. The reversal of 755434140 is 41434557.

It is a super-3 number, since 3×7554341403 (a number of 28 digits) contains 333 as substring.

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, 6295225 + ... + 6295344.

It is an arithmetic number, because the mean of its divisors is an integer number (88133990).

Almost surely, 2755434140 is an apocalyptic number.

It is an amenable number.

755434140 is an abundant number, since it is smaller than the sum of its proper divisors (1359781620).

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

755434140 is a wasteful number, since it uses less digits than its factorization.

755434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590581 (or 12590579 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 755434140 is about 27485.1621788921. The cubic root of 755434140 is about 910.7493485572.

Adding to 755434140 its reverse (41434557), we get a palindrome (796868697).

The spelling of 755434140 in words is "seven hundred fifty-five million, four hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12590569 25181138 37771707 50362276 62952845 75543414 125905690 151086828 188858535 251811380 377717070 755434140