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17139045 = 3571121971
BaseRepresentation
bin100000101100…
…0010101100101
31012020202100110
41001120111211
513341422140
61411203233
7265452030
oct101302545
935222313
1017139045
119746900
1258a6519
133721161
1423c2017
151788380
hex1058565

17139045 has 96 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 6652800.

The previous prime is 17139037. The next prime is 17139053. The reversal of 17139045 is 54093171.

It is an interprime number because it is at equal distance from previous prime (17139037) and next prime (17139053).

It is not a de Polignac number, because 17139045 - 23 = 17139037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241360 + ... + 241430.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 217139045 is an apocalyptic number.

17139045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17139045 is an abundant number, since it is smaller than the sum of its proper divisors (19632795).

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

17139045 is a wasteful number, since it uses less digits than its factorization.

17139045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 17139045 is about 4139.9329704719. The cubic root of 17139045 is about 257.8272835967.

The spelling of 17139045 in words is "seventeen million, one hundred thirty-nine thousand, forty-five".

Divisors: 1 3 5 7 11 15 19 21 33 35 55 57 71 77 95 105 121 133 165 209 213 231 285 355 363 385 399 497 605 627 665 781 847 1045 1065 1155 1349 1463 1491 1815 1995 2299 2343 2485 2541 3135 3905 4047 4235 4389 5467 6745 6897 7315 7455 8591 9443 11495 11715 12705 14839 16093 16401 20235 21945 25773 27335 28329 34485 42955 44517 47215 48279 60137 74195 80465 82005 103873 128865 141645 163229 180411 222585 241395 300685 311619 489687 519365 816145 902055 1142603 1558095 2448435 3427809 5713015 17139045