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745500872 = 23195997857
BaseRepresentation
bin101100011011110…
…111000011001000
31220221210100221102
4230123313003020
53011322011442
6201550400532
724321436634
oct5433670310
91827710842
10745500872
113528a7926
12189800148
13bb5b099c
147101ddc4
15456ae232
hex2c6f70c8

745500872 has 64 divisors (see below), whose sum is σ = 1513512000. Its totient is φ = 343166976.

The previous prime is 745500871. The next prime is 745500913. The reversal of 745500872 is 278005547.

745500872 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 (38).

It is not an unprimeable number, because it can be changed into a prime (745500871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869468 + ... + 870324.

It is an arithmetic number, because the mean of its divisors is an integer number (23648625).

Almost surely, 2745500872 is an apocalyptic number.

It is an amenable number.

745500872 is an abundant number, since it is smaller than the sum of its proper divisors (768011128).

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

745500872 is a wasteful number, since it uses less digits than its factorization.

745500872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 745500872 is about 27303.8618513938. The cubic root of 745500872 is about 906.7398829522.

The spelling of 745500872 in words is "seven hundred forty-five million, five hundred thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 59 76 97 118 152 194 236 388 472 776 857 1121 1714 1843 2242 3428 3686 4484 5723 6856 7372 8968 11446 14744 16283 22892 32566 45784 50563 65132 83129 101126 108737 130264 166258 202252 217474 332516 404504 434948 665032 869896 960697 1579451 1921394 3158902 3842788 4904611 6317804 7685576 9809222 12635608 19618444 39236888 93187609 186375218 372750436 745500872