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6620960 = 25541381
BaseRepresentation
bin11001010000011100100000
3110110101020202
4121100130200
53143332320
6353524332
7110164043
oct31203440
913411222
106620960
113812475
1222736a8
1314aa838
14c44c5a
158abb75
hex650720

6620960 has 24 divisors (see below), whose sum is σ = 15642396. Its totient is φ = 2648320.

The previous prime is 6620953. The next prime is 6620981. The reversal of 6620960 is 690266.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6615184 + 5776 = 2572^2 + 76^2 .

It is a super-2 number, since 2×66209602 = 87674222643200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20531 + ... + 20850.

Almost surely, 26620960 is an apocalyptic number.

It is an amenable number.

6620960 is an abundant number, since it is smaller than the sum of its proper divisors (9021436).

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

6620960 is a wasteful number, since it uses less digits than its factorization.

6620960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41396 (or 41388 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6620960 is about 2573.1226165886. The cubic root of 6620960 is about 187.7761028552.

The spelling of 6620960 in words is "six million, six hundred twenty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 41381 82762 165524 206905 331048 413810 662096 827620 1324192 1655240 3310480 6620960