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728753048 = 23471938173
BaseRepresentation
bin101011011011111…
…110001110011000
31212210021111020122
4223123332032120
52443030044143
6200151412412
724026204312
oct5333761630
91783244218
10728753048
113443a8a51
12184084108
13b7c9892a
146cb007b2
1543ea1c68
hex2b6fe398

728753048 has 16 divisors (see below), whose sum is σ = 1395485280. Its totient is φ = 356623648.

The previous prime is 728753041. The next prime is 728753057. The reversal of 728753048 is 840357827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728753041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968711 + ... + 969462.

It is an arithmetic number, because the mean of its divisors is an integer number (87217830).

Almost surely, 2728753048 is an apocalyptic number.

It is an amenable number.

728753048 is a deficient number, since it is larger than the sum of its proper divisors (666732232).

728753048 is a wasteful number, since it uses less digits than its factorization.

728753048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938226 (or 1938222 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 728753048 is about 26995.4264274525. The cubic root of 728753048 is about 899.8983621849.

The spelling of 728753048 in words is "seven hundred twenty-eight million, seven hundred fifty-three thousand, forty-eight".

Divisors: 1 2 4 8 47 94 188 376 1938173 3876346 7752692 15505384 91094131 182188262 364376524 728753048