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75146214 = 23111387583
BaseRepresentation
bin1000111101010…
…10001111100110
312020101211020010
410132222033212
5123214134324
611242351050
71601506113
oct436521746
9166354203
1075146214
1139466510
12211bb486
1312751020
149da190a
1568e5829
hex47aa3e6

75146214 has 32 divisors (see below), whose sum is σ = 176569344. Its totient is φ = 21019680.

The previous prime is 75146177. The next prime is 75146219. The reversal of 75146214 is 41264157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75146219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42934 + ... + 44649.

It is an arithmetic number, because the mean of its divisors is an integer number (5517792).

Almost surely, 275146214 is an apocalyptic number.

75146214 is an abundant number, since it is smaller than the sum of its proper divisors (101423130).

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

75146214 is a wasteful number, since it uses less digits than its factorization.

75146214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87612.

The product of its digits is 6720, while the sum is 30.

The square root of 75146214 is about 8668.6915967751. The cubic root of 75146214 is about 421.9902028977.

The spelling of 75146214 in words is "seventy-five million, one hundred forty-six thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 87583 175166 262749 525498 963413 1138579 1926826 2277158 2890239 3415737 5780478 6831474 12524369 25048738 37573107 75146214