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168303475 = 5247227631
BaseRepresentation
bin10100000100000…
…01101101110011
3102201200200222001
422002001231303
5321041202400
624411154431
74112361454
oct1202015563
9381620861
10168303475
118700398a
1248445a17
1328b3a072
14184d112b
15eb97a6a
hexa081b73

168303475 has 24 divisors (see below), whose sum is σ = 214414848. Its totient is φ = 130989600.

The previous prime is 168303467. The next prime is 168303479. The reversal of 168303475 is 574303861.

It is not a de Polignac number, because 168303475 - 23 = 168303467 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168303479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266410 + ... + 267040.

It is an arithmetic number, because the mean of its divisors is an integer number (8933952).

Almost surely, 2168303475 is an apocalyptic number.

168303475 is a deficient number, since it is larger than the sum of its proper divisors (46111373).

168303475 is a wasteful number, since it uses less digits than its factorization.

168303475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

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

The square root of 168303475 is about 12973.1829170794. The cubic root of 168303475 is about 552.1168832426.

The spelling of 168303475 in words is "one hundred sixty-eight million, three hundred three thousand, four hundred seventy-five".

Divisors: 1 5 25 47 227 235 631 1135 1175 3155 5675 10669 15775 29657 53345 143237 148285 266725 716185 741425 3580925 6732139 33660695 168303475