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3061920 = 25356379
BaseRepresentation
bin1011101011100010100000
312202120011110
423223202200
51240440140
6145343320
735011611
oct13534240
95676143
103061920
111801514
121037b40
138328b4
14599c08
15407380
hex2eb8a0

3061920 has 48 divisors (see below), whose sum is σ = 9646560. Its totient is φ = 816384.

The previous prime is 3061913. The next prime is 3061931. The reversal of 3061920 is 291603.

It is a tau number, because it is divible by the number of its divisors (48).

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, 2710 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (200970).

Almost surely, 23061920 is an apocalyptic number.

3061920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3061920 is an abundant number, since it is smaller than the sum of its proper divisors (6584640).

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

3061920 is a wasteful number, since it uses less digits than its factorization.

3061920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3061920 is about 1749.8342778675. The cubic root of 3061920 is about 145.2104751529.

The spelling of 3061920 in words is "three million, sixty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 6379 12758 19137 25516 31895 38274 51032 63790 76548 95685 102064 127580 153096 191370 204128 255160 306192 382740 510320 612384 765480 1020640 1530960 3061920