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168280414 = 2431956749
BaseRepresentation
bin10100000011111…
…00000101011110
3102201122112022221
422001330011132
5321034433124
624410455554
74112234311
oct1201740536
9381575287
10168280414
1186a98625
12484345ba
1328b2c713
14184c6978
15eb90ce4
hexa07c15e

168280414 has 8 divisors (see below), whose sum is σ = 258291000. Its totient is φ = 82183416.

The previous prime is 168280363. The next prime is 168280423. The reversal of 168280414 is 414082861.

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

It is a super-2 number, since 2×1682804142 = 56636595472022792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168280414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978289 + ... + 978460.

It is an arithmetic number, because the mean of its divisors is an integer number (32286375).

Almost surely, 2168280414 is an apocalyptic number.

168280414 is a deficient number, since it is larger than the sum of its proper divisors (90010586).

168280414 is a wasteful number, since it uses less digits than its factorization.

168280414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956794.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 168280414 is about 12972.2940916401. The cubic root of 168280414 is about 552.0916650090.

The spelling of 168280414 in words is "one hundred sixty-eight million, two hundred eighty thousand, four hundred fourteen".

Divisors: 1 2 43 86 1956749 3913498 84140207 168280414