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73730048 = 211737139
BaseRepresentation
bin1000110010100…
…00100000000000
312010201212121112
410121100200000
5122333330143
611152142452
71553460260
oct431204000
9163655545
1073730048
1138689527
1220837a28
1312376562
149b137a0
156715e18
hex4650800

73730048 has 96 divisors (see below), whose sum is σ = 174283200. Its totient is φ = 30523392.

The previous prime is 73730047. The next prime is 73730077. The reversal of 73730048 is 84003737.

It is a super-2 number, since 2×737300482 = 10872239956164608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 73729996 and 73730023.

It is not an unprimeable number, because it can be changed into a prime (73730047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530363 + ... + 530501.

It is an arithmetic number, because the mean of its divisors is an integer number (1815450).

Almost surely, 273730048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73730048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87141600).

73730048 is an abundant number, since it is smaller than the sum of its proper divisors (100553152).

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

73730048 is a wasteful number, since it uses less digits than its factorization.

73730048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 73730048 is about 8586.6202897298. The cubic root of 73730048 is about 419.3225056173.

The spelling of 73730048 in words is "seventy-three million, seven hundred thirty thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 37 56 64 74 112 128 139 148 224 256 259 278 296 448 512 518 556 592 896 973 1024 1036 1112 1184 1792 1946 2048 2072 2224 2368 3584 3892 4144 4448 4736 5143 7168 7784 8288 8896 9472 10286 14336 15568 16576 17792 18944 20572 31136 33152 35584 36001 37888 41144 62272 66304 71168 72002 75776 82288 124544 132608 142336 144004 164576 249088 265216 284672 288008 329152 498176 530432 576016 658304 996352 1152032 1316608 1992704 2304064 2633216 4608128 5266432 9216256 10532864 18432512 36865024 73730048