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3980256 = 25375923
BaseRepresentation
bin1111001011101111100000
321111012212220
433023233200
52004332011
6221151040
745555150
oct17135740
97435786
103980256
112279475
1213bb480
13a948a7
14758760
15539506
hex3cbbe0

3980256 has 48 divisors (see below), whose sum is σ = 11942784. Its totient is φ = 1137024.

The previous prime is 3980231. The next prime is 3980281. The reversal of 3980256 is 6520893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3980231) and next prime (3980281).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (248808).

Almost surely, 23980256 is an apocalyptic number.

It is an amenable number.

3980256 is an abundant number, since it is smaller than the sum of its proper divisors (7962528).

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

3980256 is a wasteful number, since it uses less digits than its factorization.

3980256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3980256 is about 1995.0578938968. The cubic root of 3980256 is about 158.4784938993.

The spelling of 3980256 in words is "three million, nine hundred eighty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 5923 11846 17769 23692 35538 41461 47384 71076 82922 94768 124383 142152 165844 189536 248766 284304 331688 497532 568608 663376 995064 1326752 1990128 3980256