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83394480 = 24351326729
BaseRepresentation
bin1001111100001…
…11111110110000
312210220212201110
410332013332300
5132322110410
612135233320
72031561411
oct476077660
9183825643
1083394480
114308a564
1223b18840
131437b460
14b10b808
1574c4720
hex4f87fb0

83394480 has 80 divisors (see below), whose sum is σ = 278419680. Its totient is φ = 20527104.

The previous prime is 83394463. The next prime is 83394491. The reversal of 83394480 is 8449338.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10245 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (3480246).

Almost surely, 283394480 is an apocalyptic number.

83394480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83394480 is an abundant number, since it is smaller than the sum of its proper divisors (195025200).

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

83394480 is a wasteful number, since it uses less digits than its factorization.

83394480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758 (or 26752 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 83394480 is about 9132.0578184766. The cubic root of 83394480 is about 436.8970393158.

The spelling of 83394480 in words is "eighty-three million, three hundred ninety-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 26729 53458 80187 106916 133645 160374 213832 267290 320748 347477 400935 427664 534580 641496 694954 801870 1042431 1069160 1282992 1389908 1603740 1737385 2084862 2138320 2779816 3207480 3474770 4169724 5212155 5559632 6414960 6949540 8339448 10424310 13899080 16678896 20848620 27798160 41697240 83394480