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75143716 = 22672571091
BaseRepresentation
bin1000111101010…
…01101000100100
312020101200210121
410132221220210
5123214044331
611242331324
71601465614
oct436515044
9166350717
1075143716
113946464a
12211b9b44
131274cb4b
149da0a44
1568e4c11
hex47a9a24

75143716 has 24 divisors (see below), whose sum is σ = 134106336. Its totient is φ = 36833280.

The previous prime is 75143713. The next prime is 75143743. The reversal of 75143716 is 61734157.

It is not an unprimeable number, because it can be changed into a prime (75143713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68331 + ... + 69421.

It is an arithmetic number, because the mean of its divisors is an integer number (5587764).

Almost surely, 275143716 is an apocalyptic number.

It is an amenable number.

75143716 is a deficient number, since it is larger than the sum of its proper divisors (58962620).

75143716 is a wasteful number, since it uses less digits than its factorization.

75143716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 75143716 is about 8668.5475138572. The cubic root of 75143716 is about 421.9855269326.

The spelling of 75143716 in words is "seventy-five million, one hundred forty-three thousand, seven hundred sixteen".

Divisors: 1 2 4 67 134 257 268 514 1028 1091 2182 4364 17219 34438 68876 73097 146194 280387 292388 560774 1121548 18785929 37571858 75143716