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76683146 = 2193257773
BaseRepresentation
bin1001001001000…
…01011110001010
312100021220111112
410210201132022
5124112330041
611335330322
71620540011
oct444413612
9170256445
1076683146
113a316201
12218209a2
1312b6b757
14a281a78
156aeadeb
hex492178a

76683146 has 16 divisors (see below), whose sum is σ = 116220744. Its totient is φ = 37945344.

The previous prime is 76683137. The next prime is 76683157. The reversal of 76683146 is 64138667.

76683146 = T1 + T2 + ... + T771.

76683146 is a nontrivial binomial coefficient, being equal to C(773, 3).

It can be written as a sum of positive squares in 4 ways, for example, as 61387225 + 15295921 = 7835^2 + 3911^2 .

It is a Curzon number.

It is an unprimeable number.

It is the 771-st tetrahedral number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98816 + ... + 99588.

Almost surely, 276683146 is an apocalyptic number.

76683146 is a deficient number, since it is larger than the sum of its proper divisors (39537598).

76683146 is a wasteful number, since it uses less digits than its factorization.

76683146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its digits is 145152, while the sum is 41.

The square root of 76683146 is about 8756.8913433935. The cubic root of 76683146 is about 424.8477350739.

The spelling of 76683146 in words is "seventy-six million, six hundred eighty-three thousand, one hundred forty-six".

Divisors: 1 2 193 257 386 514 773 1546 49601 99202 149189 198661 298378 397322 38341573 76683146