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396380741 = 3722374789
BaseRepresentation
bin10111101000000…
…100101001000101
31000121212020011012
4113220010221011
51302433140431
6103155452005
712552115661
oct2750045105
91017766135
10396380741
11193823799
12b08b7005
1364175123
143a9018a1
1524beb22b
hex17a04a45

396380741 has 8 divisors (see below), whose sum is σ = 407360760. Its totient is φ = 385414848.

The previous prime is 396380731. The next prime is 396380753. The reversal of 396380741 is 147083693.

It can be written as a sum of positive squares in 4 ways, for example, as 97436641 + 298944100 = 9871^2 + 17290^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-396380741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396380711) 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, 80375 + ... + 85163.

It is an arithmetic number, because the mean of its divisors is an integer number (50920095).

Almost surely, 2396380741 is an apocalyptic number.

It is an amenable number.

396380741 is a deficient number, since it is larger than the sum of its proper divisors (10980019).

396380741 is a wasteful number, since it uses less digits than its factorization.

396380741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 396380741 is about 19909.3129213441. The cubic root of 396380741 is about 734.5773194087.

The spelling of 396380741 in words is "three hundred ninety-six million, three hundred eighty thousand, seven hundred forty-one".

Divisors: 1 37 2237 4789 82769 177193 10712993 396380741