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76300045 = 515260009
BaseRepresentation
bin1001000110000…
…11111100001101
312022120102222121
410203003330031
5124013100140
611323212541
71614353053
oct443037415
9168512877
1076300045
113a084398
1221677151
1312a66273
14a1c21d3
156a7264a
hex48c3f0d

76300045 has 4 divisors (see below), whose sum is σ = 91560060. Its totient is φ = 61040032.

The previous prime is 76300043. The next prime is 76300051. The reversal of 76300045 is 54000367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37785609 + 38514436 = 6147^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 76300045 - 21 = 76300043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76299992 and 76300019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76300043) 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, 7630000 + ... + 7630009.

It is an arithmetic number, because the mean of its divisors is an integer number (22890015).

Almost surely, 276300045 is an apocalyptic number.

It is an amenable number.

76300045 is a deficient number, since it is larger than the sum of its proper divisors (15260015).

76300045 is a wasteful number, since it uses less digits than its factorization.

76300045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15260014.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 76300045 is about 8734.9896966167. The cubic root of 76300045 is about 424.1390552715.

The spelling of 76300045 in words is "seventy-six million, three hundred thousand, forty-five".

Divisors: 1 5 15260009 76300045