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75340985 = 5192329241
BaseRepresentation
bin1000111110110…
…01110010111001
312020202201101212
410133121302321
5123241402420
611250452505
71603250006
oct437316271
9166681355
1075340985
1139589885
1221294135
13127bb885
14a0128ad
1569333c5
hex47d9cb9

75340985 has 48 divisors (see below), whose sum is σ = 105356160. Its totient is φ = 51448320.

The previous prime is 75340973. The next prime is 75340999. The reversal of 75340985 is 58904357.

It is not a de Polignac number, because 75340985 - 28 = 75340729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1837565 + ... + 1837605.

It is an arithmetic number, because the mean of its divisors is an integer number (2194920).

Almost surely, 275340985 is an apocalyptic number.

It is an amenable number.

75340985 is a deficient number, since it is larger than the sum of its proper divisors (30015175).

75340985 is a wasteful number, since it uses less digits than its factorization.

75340985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 75340985 is about 8679.9184904007. The cubic root of 75340985 is about 422.3544729476.

The spelling of 75340985 in words is "seventy-five million, three hundred forty thousand, nine hundred eighty-five".

Divisors: 1 5 19 23 29 41 95 115 145 205 437 551 667 779 841 943 1189 2185 2755 3335 3895 4205 4715 5945 12673 15979 17917 19343 22591 27347 34481 63365 79895 89585 96715 112955 136735 172405 367517 519593 655139 793063 1837585 2597965 3275695 3965315 15068197 75340985