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745754680 = 235111694897
BaseRepresentation
bin101100011100110…
…101000000111000
31220222021021002201
4230130311000320
53011403122210
6202000035544
724323544616
oct5434650070
91828237081
10745754680
11352a60590
12189902bb4
13bb66c378
14710886b6
154570e53a
hex2c735038

745754680 has 32 divisors (see below), whose sum is σ = 1830489840. Its totient is φ = 271183360.

The previous prime is 745754671. The next prime is 745754741. The reversal of 745754680 is 86457547.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 745754680.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847009 + ... + 847888.

Almost surely, 2745754680 is an apocalyptic number.

It is an amenable number.

745754680 is an abundant number, since it is smaller than the sum of its proper divisors (1084735160).

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

745754680 is a wasteful number, since it uses less digits than its factorization.

745754680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694919 (or 1694915 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 745754680 is about 27308.5092965544. The cubic root of 745754680 is about 906.8427720446.

The spelling of 745754680 in words is "seven hundred forty-five million, seven hundred fifty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1694897 3389794 6779588 8474485 13559176 16948970 18643867 33897940 37287734 67795880 74575468 93219335 149150936 186438670 372877340 745754680