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76741728 = 2537114199
BaseRepresentation
bin1001001001011…
…11110001100000
312100101212212020
410210233301200
5124121213403
611340501440
71621202550
oct444576140
9170355766
1076741728
113a356218
122184a880
1312b8c30b
14a299160
156b0d453
hex492fc60

76741728 has 48 divisors (see below), whose sum is σ = 230227200. Its totient is φ = 21926016.

The previous prime is 76741669. The next prime is 76741739. The reversal of 76741728 is 82714767.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 76741728.

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, 56428 + ... + 57771.

It is an arithmetic number, because the mean of its divisors is an integer number (4796400).

Almost surely, 276741728 is an apocalyptic number.

It is an amenable number.

76741728 is an abundant number, since it is smaller than the sum of its proper divisors (153485472).

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

76741728 is a wasteful number, since it uses less digits than its factorization.

76741728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114219 (or 114211 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 76741728 is about 8760.2356132698. The cubic root of 76741728 is about 424.9558948464.

The spelling of 76741728 in words is "seventy-six million, seven hundred forty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 114199 228398 342597 456796 685194 799393 913592 1370388 1598786 1827184 2398179 2740776 3197572 3654368 4796358 5481552 6395144 9592716 10963104 12790288 19185432 25580576 38370864 76741728