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307453142 = 2881174491
BaseRepresentation
bin10010010100110…
…101110011010110
3210102112020102102
4102110311303112
51112202000032
650301442102
710422210563
oct2224656326
9712466372
10307453142
11148605107
1286b70332
134b90a349
142cb9386a
151bed2362
hex12535cd6

307453142 has 8 divisors (see below), whose sum is σ = 461705832. Its totient is φ = 153551200.

The previous prime is 307453141. The next prime is 307453147. The reversal of 307453142 is 241354703.

It is a happy number.

307453142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307453141) 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, 85484 + ... + 89007.

It is an arithmetic number, because the mean of its divisors is an integer number (57713229).

Almost surely, 2307453142 is an apocalyptic number.

307453142 is a deficient number, since it is larger than the sum of its proper divisors (154252690).

307453142 is a wasteful number, since it uses less digits than its factorization.

307453142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175374.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 307453142 is about 17534.3417897565. The cubic root of 307453142 is about 674.9314183637.

The spelling of 307453142 in words is "three hundred seven million, four hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 881 1762 174491 348982 153726571 307453142