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4249680 = 243517707
BaseRepresentation
bin10000001101100001010000
321222220110120
4100031201100
52041442210
6231030240
751056511
oct20154120
97886416
104249680
112442936
12150b380
13b5a406
147c8a08
1558e270
hex40d850

4249680 has 40 divisors (see below), whose sum is σ = 13174752. Its totient is φ = 1133184.

The previous prime is 4249669. The next prime is 4249703. The reversal of 4249680 is 869424.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8614 + ... + 9093.

Almost surely, 24249680 is an apocalyptic number.

4249680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4249680 is an abundant number, since it is smaller than the sum of its proper divisors (8925072).

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

4249680 is a wasteful number, since it uses less digits than its factorization.

4249680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17723 (or 17717 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4249680 is about 2061.4751999478. The cubic root of 4249680 is about 161.9765245666.

The spelling of 4249680 in words is "four million, two hundred forty-nine thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 17707 35414 53121 70828 88535 106242 141656 177070 212484 265605 283312 354140 424968 531210 708280 849936 1062420 1416560 2124840 4249680