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168042448 = 2471500379
BaseRepresentation
bin10100000010000…
…01111111010000
3102201012102220101
422001001333100
5321004324243
624401422144
74110223450
oct1201017720
9381172811
10168042448
1186945862
124833a954
1328a78302
1418463d60
15eb4554d
hexa041fd0

168042448 has 20 divisors (see below), whose sum is σ = 372094240. Its totient is φ = 72018144.

The previous prime is 168042421. The next prime is 168042461. The reversal of 168042448 is 844240861.

168042448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750078 + ... + 750301.

It is an arithmetic number, because the mean of its divisors is an integer number (18604712).

Almost surely, 2168042448 is an apocalyptic number.

It is an amenable number.

168042448 is an abundant number, since it is smaller than the sum of its proper divisors (204051792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168042448 is a wasteful number, since it uses less digits than its factorization.

168042448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500394 (or 1500388 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 168042448 is about 12963.1187605452. The cubic root of 168042448 is about 551.8313039078.

It can be divided in two parts, 168042 and 448, that added together give a triangular number (168490 = T580).

The spelling of 168042448 in words is "one hundred sixty-eight million, forty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1500379 3000758 6001516 10502653 12003032 21005306 24006064 42010612 84021224 168042448