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172044054 = 233713157223
BaseRepresentation
bin10100100000100…
…10111100010110
3102222201202002000
422100102330112
5323020402204
625023300130
74156231110
oct1220227426
9388652060
10172044054
1189129276
124974a646
1329849820
1418bc63b0
1510186039
hexa412f16

172044054 has 128 divisors (see below), whose sum is σ = 475668480. Its totient is φ = 44883072.

The previous prime is 172044011. The next prime is 172044073. The reversal of 172044054 is 450440271.

172044054 is a `hidden beast` number, since 172 + 0 + 440 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 771387 + ... + 771609.

It is an arithmetic number, because the mean of its divisors is an integer number (3716160).

Almost surely, 2172044054 is an apocalyptic number.

172044054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172044054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237834240).

172044054 is an abundant number, since it is smaller than the sum of its proper divisors (303624426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172044054 is a wasteful number, since it uses less digits than its factorization.

172044054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 172044054 is about 13116.5564840777. The cubic root of 172044054 is about 556.1772527176.

The spelling of 172044054 in words is "one hundred seventy-two million, forty-four thousand, fifty-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 157 182 189 223 234 273 314 351 378 446 471 546 669 702 819 942 1099 1338 1413 1561 1638 2007 2041 2198 2457 2826 2899 3122 3297 4014 4082 4239 4683 4914 5798 6021 6123 6594 8478 8697 9366 9891 12042 12246 14049 14287 17394 18369 19782 20293 26091 28098 28574 29673 35011 36738 40586 42147 42861 52182 55107 59346 60879 70022 78273 84294 85722 105033 110214 121758 128583 156546 182637 210066 245077 257166 315099 365274 385749 455143 490154 547911 630198 735231 771498 910286 945297 1095822 1365429 1470462 1890594 2205693 2730858 3186001 4096287 4411386 6372002 6617079 8192574 9558003 12288861 13234158 19116006 24577722 28674009 57348018 86022027 172044054