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3980688 = 243127653
BaseRepresentation
bin1111001011110110010000
321111020110220
433023312100
52004340223
6221153040
745556335
oct17136620
97436426
103980688
112279828
1213bb780
13a94b4a
1475898c
155396e3
hex3cbd90

3980688 has 40 divisors (see below), whose sum is σ = 10380288. Its totient is φ = 1314432.

The previous prime is 3980687. The next prime is 3980689. The reversal of 3980688 is 8860893.

It is an interprime number because it is at equal distance from previous prime (3980687) and next prime (3980689).

It is not an unprimeable number, because it can be changed into a prime (3980687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 6422.

Almost surely, 23980688 is an apocalyptic number.

It is an amenable number.

3980688 is an abundant number, since it is smaller than the sum of its proper divisors (6399600).

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

3980688 is a wasteful number, since it uses less digits than its factorization.

3980688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3980688 is about 1995.1661584941. The cubic root of 3980688 is about 158.4842272184.

The spelling of 3980688 in words is "three million, nine hundred eighty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 127 254 381 508 653 762 1016 1306 1524 1959 2032 2612 3048 3918 5224 6096 7836 10448 15672 31344 82931 165862 248793 331724 497586 663448 995172 1326896 1990344 3980688