Search a number
-
+
76253140 = 2253812657
BaseRepresentation
bin1001000101110…
…00011111010100
312022111001122101
410202320133110
5124010100030
611322211444
71614066235
oct442703724
9168431571
1076253140
113a052127
1221653b84
1312a4ab02
14a1ad08c
156a637ca
hex48b87d4

76253140 has 12 divisors (see below), whose sum is σ = 160131636. Its totient is φ = 30501248.

The previous prime is 76253131. The next prime is 76253141. The reversal of 76253140 is 4135267.

It can be written as a sum of positive squares in 2 ways, for example, as 15350724 + 60902416 = 3918^2 + 7804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76253099 and 76253108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76253141) 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, 1906309 + ... + 1906348.

It is an arithmetic number, because the mean of its divisors is an integer number (13344303).

Almost surely, 276253140 is an apocalyptic number.

It is an amenable number.

76253140 is an abundant number, since it is smaller than the sum of its proper divisors (83878496).

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

76253140 is a wasteful number, since it uses less digits than its factorization.

76253140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812666 (or 3812664 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 76253140 is about 8732.3043923125. The cubic root of 76253140 is about 424.0521251331.

The spelling of 76253140 in words is "seventy-six million, two hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3812657 7625314 15250628 19063285 38126570 76253140