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71682808 = 2361146891
BaseRepresentation
bin1000100010111…
…00101011111000
311222212212022211
410101130223320
5121322322213
611040224504
71530202531
oct421345370
9158785284
1071682808
113751039a
122000b134
1311b0a782
14973d688
15645e53d
hex445caf8

71682808 has 16 divisors (see below), whose sum is σ = 136609560. Its totient is φ = 35253600.

The previous prime is 71682797. The next prime is 71682811. The reversal of 71682808 is 80828617.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72958 + ... + 73933.

Almost surely, 271682808 is an apocalyptic number.

It is an amenable number.

71682808 is a deficient number, since it is larger than the sum of its proper divisors (64926752).

71682808 is a wasteful number, since it uses less digits than its factorization.

71682808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146958 (or 146954 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 71682808 is about 8466.5700256952. The cubic root of 71682808 is about 415.4049523791.

The spelling of 71682808 in words is "seventy-one million, six hundred eighty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 61 122 244 488 146891 293782 587564 1175128 8960351 17920702 35841404 71682808