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6249040 = 245711159
BaseRepresentation
bin10111110101101001010000
3102202111001221
4113311221100
53044432130
6341534424
7104054530
oct27655120
912674057
106249040
113588aa6
122114414
1313aa475
14b894c0
1583687a
hex5f5a50

6249040 has 40 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 2142336.

The previous prime is 6249029. The next prime is 6249059. The reversal of 6249040 is 409426.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 6248996 and 6249014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5020 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (415152).

Almost surely, 26249040 is an apocalyptic number.

It is an amenable number.

6249040 is an abundant number, since it is smaller than the sum of its proper divisors (10357040).

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

6249040 is a wasteful number, since it uses less digits than its factorization.

6249040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11179 (or 11173 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6249040 is about 2499.8079926266. The cubic root of 6249040 is about 184.1921433285.

The spelling of 6249040 in words is "six million, two hundred forty-nine thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 11159 22318 44636 55795 78113 89272 111590 156226 178544 223180 312452 390565 446360 624904 781130 892720 1249808 1562260 3124520 6249040