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73252480 = 275783197
BaseRepresentation
bin1000101110110…
…11111010000000
312002211121111211
410113123322000
5122223034410
611134015504
71546431040
oct427337200
9162747454
1073252480
1138392744
1220647594
131223a082
149a2b720
15666e68a
hex45dbe80

73252480 has 128 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 24686592.

The previous prime is 73252477. The next prime is 73252481. The reversal of 73252480 is 8425237.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (73252481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 371742 + ... + 371938.

It is an arithmetic number, because the mean of its divisors is an integer number (1590435).

Almost surely, 273252480 is an apocalyptic number.

73252480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73252480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101787840).

73252480 is an abundant number, since it is smaller than the sum of its proper divisors (130323200).

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

73252480 is a wasteful number, since it uses less digits than its factorization.

73252480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 73252480 is about 8558.7662662325. The cubic root of 73252480 is about 418.4151915000.

The spelling of 73252480 in words is "seventy-three million, two hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 83 112 128 140 160 166 197 224 280 320 332 394 415 448 560 581 640 664 788 830 896 985 1120 1162 1328 1379 1576 1660 1970 2240 2324 2656 2758 2905 3152 3320 3940 4480 4648 5312 5516 5810 6304 6640 6895 7880 9296 10624 11032 11620 12608 13280 13790 15760 16351 18592 22064 23240 25216 26560 27580 31520 32702 37184 44128 46480 53120 55160 63040 65404 74368 81755 88256 92960 110320 114457 126080 130808 163510 176512 185920 220640 228914 261616 327020 371840 441280 457828 523232 572285 654040 882560 915656 1046464 1144570 1308080 1831312 2092928 2289140 2616160 3662624 4578280 5232320 7325248 9156560 10464640 14650496 18313120 36626240 73252480