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73361408 = 211113317
BaseRepresentation
bin1000101111101…
…10100000000000
312010001010221012
410113312200000
5122240031113
611140220052
71550363441
oct427664000
9163033835
1073361408
113845756a
122069a628
1312277823
149a592c8
156691aa8
hex45f6800

73361408 has 48 divisors (see below), whose sum is σ = 148451940. Its totient is φ = 36241408.

The previous prime is 73361401. The next prime is 73361419. The reversal of 73361408 is 80416337.

It can be written as a sum of positive squares in 2 ways, for example, as 50013184 + 23348224 = 7072^2 + 4832^2 .

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

It is not an unprimeable number, because it can be changed into a prime (73361401) 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, 231266 + ... + 231582.

Almost surely, 273361408 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 73361408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74225970).

73361408 is an abundant number, since it is smaller than the sum of its proper divisors (75090532).

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

73361408 is a wasteful number, since it uses less digits than its factorization.

73361408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73361408 is about 8565.1274362966. The cubic root of 73361408 is about 418.6224862211.

The spelling of 73361408 in words is "seventy-three million, three hundred sixty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 113 128 226 256 317 452 512 634 904 1024 1268 1808 2048 2536 3616 5072 7232 10144 14464 20288 28928 35821 40576 57856 71642 81152 115712 143284 162304 231424 286568 324608 573136 649216 1146272 2292544 4585088 9170176 18340352 36680704 73361408