Search a number
-
+
75663097 = 103972823
BaseRepresentation
bin1001000001010…
…00011011111001
312021101002020221
410200220123321
5123332204342
611301420041
71606061056
oct440503371
9167332227
1075663097
1139789894
122140a621
13128a2383
14a09802d
156998a67
hex48286f9

75663097 has 4 divisors (see below), whose sum is σ = 75736960. Its totient is φ = 75589236.

The previous prime is 75663061. The next prime is 75663103. The reversal of 75663097 is 79036657.

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.

It is a cyclic number.

It is not a de Polignac number, because 75663097 - 27 = 75662969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75663037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35373 + ... + 37450.

It is an arithmetic number, because the mean of its divisors is an integer number (18934240).

Almost surely, 275663097 is an apocalyptic number.

It is an amenable number.

75663097 is a deficient number, since it is larger than the sum of its proper divisors (73863).

75663097 is a wasteful number, since it uses less digits than its factorization.

75663097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73862.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 75663097 is about 8698.4537131607. The cubic root of 75663097 is about 422.9555270344.

The spelling of 75663097 in words is "seventy-five million, six hundred sixty-three thousand, ninety-seven".

Divisors: 1 1039 72823 75663097