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73996785 = 3251644373
BaseRepresentation
bin1000110100100…
…01100111110001
312011020102111200
410122101213301
5122420344120
611202001413
71555651032
oct432214761
9164212450
1073996785
1138850975
1220946269
131243aaa5
149b82a89
156769e90
hex46919f1

73996785 has 12 divisors (see below), whose sum is σ = 128261172. Its totient is φ = 39464928.

The previous prime is 73996763. The next prime is 73996799. The reversal of 73996785 is 58769937.

It can be written as a sum of positive squares in 2 ways, for example, as 9884736 + 64112049 = 3144^2 + 8007^2 .

It is not a de Polignac number, because 73996785 - 218 = 73734641 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 822142 + ... + 822231.

It is an arithmetic number, because the mean of its divisors is an integer number (10688431).

Almost surely, 273996785 is an apocalyptic number.

It is an amenable number.

73996785 is a deficient number, since it is larger than the sum of its proper divisors (54264387).

73996785 is a wasteful number, since it uses less digits than its factorization.

73996785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644384 (or 1644381 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 73996785 is about 8602.1383969336. The cubic root of 73996785 is about 419.8275652695.

The spelling of 73996785 in words is "seventy-three million, nine hundred ninety-six thousand, seven hundred eighty-five".

Divisors: 1 3 5 9 15 45 1644373 4933119 8221865 14799357 24665595 73996785