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3680378 = 213353401
BaseRepresentation
bin1110000010100001111010
320220222112022
432002201322
51420233003
6210514442
743165652
oct16024172
96828468
103680378
112094139
121295a22
139bb250
146bb362
154ca738
hex38287a

3680378 has 16 divisors (see below), whose sum is σ = 5976936. Its totient is φ = 1689600.

The previous prime is 3680371. The next prime is 3680399. The reversal of 3680378 is 8730863.

It can be written as a sum of positive squares in 4 ways, for example, as 3374569 + 305809 = 1837^2 + 553^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3680371) 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, 8978 + ... + 9378.

Almost surely, 23680378 is an apocalyptic number.

3680378 is a deficient number, since it is larger than the sum of its proper divisors (2296558).

3680378 is a wasteful number, since it uses less digits than its factorization.

3680378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3680378 is about 1918.4311298559. The cubic root of 3680378 is about 154.3941385463.

The spelling of 3680378 in words is "three million, six hundred eighty thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 353 401 706 802 4589 5213 9178 10426 141553 283106 1840189 3680378