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75677137 = 254329759
BaseRepresentation
bin1001000001010…
…11110111010001
312021101210111221
410200223313101
5123333132022
611302005041
71606150024
oct440536721
9167353457
1075677137
1139799398
1221416781
13128a8893
14a09d1bb
15699ccc7
hex482bdd1

75677137 has 4 divisors (see below), whose sum is σ = 75709440. Its totient is φ = 75644836.

The previous prime is 75677111. The next prime is 75677143. The reversal of 75677137 is 73177657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73177657 = 710453951.

It is a cyclic number.

It is not a de Polignac number, because 75677137 - 27 = 75677009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75677093 and 75677102.

It is not an unprimeable number, because it can be changed into a prime (75677167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12337 + ... + 17422.

It is an arithmetic number, because the mean of its divisors is an integer number (18927360).

Almost surely, 275677137 is an apocalyptic number.

It is an amenable number.

75677137 is a deficient number, since it is larger than the sum of its proper divisors (32303).

75677137 is a wasteful number, since it uses less digits than its factorization.

75677137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302.

The product of its digits is 216090, while the sum is 43.

The square root of 75677137 is about 8699.2607157160. The cubic root of 75677137 is about 422.9816865431.

The spelling of 75677137 in words is "seventy-five million, six hundred seventy-seven thousand, one hundred thirty-seven".

Divisors: 1 2543 29759 75677137