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168984413 = 13101179719
BaseRepresentation
bin10100001001001…
…11111101011101
3102202222022000222
422010213331131
5321230000123
624433531125
74121225633
oct1204477535
9382868028
10168984413
1187429544
1248713aa5
1329017ca0
141862b353
15ec7e6c8
hexa127f5d

168984413 has 16 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 153364800.

The previous prime is 168984407. The next prime is 168984419. The reversal of 168984413 is 314489861.

It is an interprime number because it is at equal distance from previous prime (168984407) and next prime (168984419).

It is a cyclic number.

It is not a de Polignac number, because 168984413 - 26 = 168984349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168984419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234668 + ... + 235386.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2168984413 is an apocalyptic number.

168984413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168984413 is a deficient number, since it is larger than the sum of its proper divisors (16084387).

168984413 is a wasteful number, since it uses less digits than its factorization.

168984413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012.

The product of its digits is 165888, while the sum is 44.

The square root of 168984413 is about 12999.4004861763. The cubic root of 168984413 is about 552.8604834068.

The spelling of 168984413 in words is "one hundred sixty-eight million, nine hundred eighty-four thousand, four hundred thirteen".

Divisors: 1 13 101 179 719 1313 2327 9347 18079 72619 128701 235027 944047 1673113 12998801 168984413