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390061306 = 2307635279
BaseRepresentation
bin10111001111111…
…101110011111010
31000011222011112001
4113033331303322
51244323430211
6102412211214
712444315655
oct2717756372
91004864461
10390061306
111901a7918
12aa769b0a
1362a7190b
1439b3889c
152439dac1
hex173fdcfa

390061306 has 8 divisors (see below), whose sum is σ = 586998720. Its totient is φ = 194395068.

The previous prime is 390061303. The next prime is 390061307. The reversal of 390061306 is 603160093.

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

It is not an unprimeable number, because it can be changed into a prime (390061303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317026 + ... + 318253.

It is an arithmetic number, because the mean of its divisors is an integer number (73374840).

Almost surely, 2390061306 is an apocalyptic number.

390061306 is a deficient number, since it is larger than the sum of its proper divisors (196937414).

390061306 is a wasteful number, since it uses less digits than its factorization.

390061306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635588.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 390061306 is about 19749.9697721288. The cubic root of 390061306 is about 730.6526383439.

The spelling of 390061306 in words is "three hundred ninety million, sixty-one thousand, three hundred six".

Divisors: 1 2 307 614 635279 1270558 195030653 390061306