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163029893 = 1313195731
BaseRepresentation
bin10011011011110…
…10001110000101
3102100202202222012
421231322032011
5313213424033
624102144005
74016505545
oct1155721605
9370682865
10163029893
1184031854
1246722005
1327a118c0
141791b325
15e4a5248
hex9b7a385

163029893 has 8 divisors (see below), whose sum is σ = 176912736. Its totient is φ = 149338800.

The previous prime is 163029877. The next prime is 163029901. The reversal of 163029893 is 398920361.

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

It is not a de Polignac number, because 163029893 - 24 = 163029877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163029893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163029833) 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, 46163 + ... + 49568.

It is an arithmetic number, because the mean of its divisors is an integer number (22114092).

Almost surely, 2163029893 is an apocalyptic number.

163029893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

163029893 is a deficient number, since it is larger than the sum of its proper divisors (13882843).

163029893 is a wasteful number, since it uses less digits than its factorization.

163029893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95875.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 163029893 is about 12768.3159813657. The cubic root of 163029893 is about 546.2889481696.

The spelling of 163029893 in words is "one hundred sixty-three million, twenty-nine thousand, eight hundred ninety-three".

Divisors: 1 13 131 1703 95731 1244503 12540761 163029893