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173920054 = 271137131233
BaseRepresentation
bin10100101110111…
…00111100110110
3110010021001110111
422113130330312
5324010420204
625131413234
74211203360
oct1227347466
9403231414
10173920054
118a19a790
124a2b421a
132a055699
1419153d30
1510406d04
hexa5dcf36

173920054 has 64 divisors (see below), whose sum is σ = 338038272. Its totient is φ = 65145600.

The previous prime is 173920049. The next prime is 173920057. The reversal of 173920054 is 450029371.

It is a junction number, because it is equal to n+sod(n) for n = 173919998 and 173920025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173920057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746322 + ... + 746554.

It is an arithmetic number, because the mean of its divisors is an integer number (5281848).

Almost surely, 2173920054 is an apocalyptic number.

173920054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

173920054 is a deficient number, since it is larger than the sum of its proper divisors (164118218).

173920054 is a wasteful number, since it uses less digits than its factorization.

173920054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 173920054 is about 13187.8752648029. The cubic root of 173920054 is about 558.1915021243.

The spelling of 173920054 in words is "one hundred seventy-three million, nine hundred twenty thousand, fifty-four".

Divisors: 1 2 7 11 14 22 37 74 77 131 154 233 259 262 407 466 518 814 917 1441 1631 1834 2563 2849 2882 3262 4847 5126 5698 8621 9694 10087 17242 17941 20174 30523 33929 35882 53317 60347 61046 67858 94831 106634 120694 189662 213661 335753 373219 427322 663817 671506 746438 1129351 1327634 2258702 2350271 4700542 7905457 12422861 15810914 24845722 86960027 173920054