Search a number
-
+
77283037 = 1317349697
BaseRepresentation
bin1001001101100…
…11111011011101
312101102101101201
410212303323131
5124241024122
611400235501
71625615656
oct446637335
9171371351
1077283037
113a695987
1221a6bb91
131301b810
14a39a52d
156bb8a27
hex49b3edd

77283037 has 8 divisors (see below), whose sum is σ = 88123896. Its totient is φ = 67141632.

The previous prime is 77283029. The next prime is 77283049. The reversal of 77283037 is 73038277.

It can be written as a sum of positive squares in 4 ways, for example, as 1052676 + 76230361 = 1026^2 + 8731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77283037 - 23 = 77283029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77282987 and 77283005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77283067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174628 + ... + 175069.

It is an arithmetic number, because the mean of its divisors is an integer number (11015487).

Almost surely, 277283037 is an apocalyptic number.

It is an amenable number.

77283037 is a deficient number, since it is larger than the sum of its proper divisors (10840859).

77283037 is a wasteful number, since it uses less digits than its factorization.

77283037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349727.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 77283037 is about 8791.0771239934. The cubic root of 77283037 is about 425.9527176100.

The spelling of 77283037 in words is "seventy-seven million, two hundred eighty-three thousand, thirty-seven".

Divisors: 1 13 17 221 349697 4546061 5944849 77283037