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5120145 = 335172397
BaseRepresentation
bin10011100010000010010001
3100122010112000
4103202002101
52302321040
6301424213
761343352
oct23420221
910563460
105120145
112987928
12186b069
1310a3694
14973d29
156b2130
hex4e2091

5120145 has 64 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 2433024.

The previous prime is 5120131. The next prime is 5120183. The reversal of 5120145 is 5410215.

5120145 = 562 + 572 + ... + 2492.

It is not a de Polignac number, because 5120145 - 25 = 5120113 is a prime.

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, 52737 + ... + 52833.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

Almost surely, 25120145 is an apocalyptic number.

It is an amenable number.

5120145 is a deficient number, since it is larger than the sum of its proper divisors (5040495).

5120145 is a wasteful number, since it uses less digits than its factorization.

5120145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5120145 is about 2262.7737403461. The cubic root of 5120145 is about 172.3564022342.

The spelling of 5120145 in words is "five million, one hundred twenty thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 17 23 27 45 51 69 85 97 115 135 153 207 255 291 345 391 459 485 621 765 873 1035 1173 1455 1649 1955 2231 2295 2619 3105 3519 4365 4947 5865 6693 8245 10557 11155 13095 14841 17595 20079 24735 33465 37927 44523 52785 60237 74205 100395 113781 189635 222615 301185 341343 568905 1024029 1706715 5120145