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63490080 = 2535349379
BaseRepresentation
bin1111001000110…
…0100000100000
311102110122000110
43302030200200
5112223140310
610144451320
71400441163
oct362144040
9142418013
1063490080
1132925045
1219319b40
13101cc6c4
148609ada
155891d20
hex3c8c820

63490080 has 96 divisors (see below), whose sum is σ = 201096000. Its totient is φ = 16837632.

The previous prime is 63490079. The next prime is 63490123. The reversal of 63490080 is 8009436.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 167331 + ... + 167709.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 263490080 is an apocalyptic number.

63490080 is a gapful number since it is divisible by the number (60) 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 63490080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100548000).

63490080 is an abundant number, since it is smaller than the sum of its proper divisors (137605920).

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

63490080 is a wasteful number, since it uses less digits than its factorization.

63490080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 63490080 is about 7968.0662647847. The cubic root of 63490080 is about 398.9348327311.

The spelling of 63490080 in words is "sixty-three million, four hundred ninety thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 349 379 480 698 758 1047 1137 1396 1516 1745 1895 2094 2274 2792 3032 3490 3790 4188 4548 5235 5584 5685 6064 6980 7580 8376 9096 10470 11168 11370 12128 13960 15160 16752 18192 20940 22740 27920 30320 33504 36384 41880 45480 55840 60640 83760 90960 132271 167520 181920 264542 396813 529084 661355 793626 1058168 1322710 1587252 1984065 2116336 2645420 3174504 3968130 4232672 5290840 6349008 7936260 10581680 12698016 15872520 21163360 31745040 63490080