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168330745 = 5113060559
BaseRepresentation
bin10100000100010…
…00010111111001
3102201202002101001
422002020113321
5321043040440
624411525001
74112534122
oct1202102771
9381662331
10168330745
1187022420
1248459761
1328b495bb
14184db049
15eba0b9a
hexa0885f9

168330745 has 8 divisors (see below), whose sum is σ = 220360320. Its totient is φ = 122422320.

The previous prime is 168330691. The next prime is 168330749. The reversal of 168330745 is 547033861.

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

It is not a de Polignac number, because 168330745 - 221 = 166233593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168330749) 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, 1530225 + ... + 1530334.

It is an arithmetic number, because the mean of its divisors is an integer number (27545040).

Almost surely, 2168330745 is an apocalyptic number.

It is an amenable number.

168330745 is a deficient number, since it is larger than the sum of its proper divisors (52029575).

168330745 is a wasteful number, since it uses less digits than its factorization.

168330745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060575.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 168330745 is about 12974.2338887504. The cubic root of 168330745 is about 552.1467012332.

The spelling of 168330745 in words is "one hundred sixty-eight million, three hundred thirty thousand, seven hundred forty-five".

Divisors: 1 5 11 55 3060559 15302795 33666149 168330745