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71414864 = 24139163197
BaseRepresentation
bin1000100000110…
…11010001010000
311222101020202222
410100123101100
5121240233424
611030400212
71525005413
oct420332120
9158336688
1071414864
1137348054
121bb00068
1311a45821
1496adb7a
156409e5e
hex441b450

71414864 has 40 divisors (see below), whose sum is σ = 140928480. Its totient is φ = 35054208.

The previous prime is 71414857. The next prime is 71414869. The reversal of 71414864 is 46841417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71414869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362414 + ... + 362610.

It is an arithmetic number, because the mean of its divisors is an integer number (3523212).

Almost surely, 271414864 is an apocalyptic number.

It is an amenable number.

71414864 is a deficient number, since it is larger than the sum of its proper divisors (69513616).

71414864 is a wasteful number, since it uses less digits than its factorization.

71414864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 71414864 is about 8450.7315659652. The cubic root of 71414864 is about 414.8867238133.

The spelling of 71414864 in words is "seventy-one million, four hundred fourteen thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 139 163 197 278 326 394 556 652 788 1112 1304 1576 2224 2608 3152 22657 27383 32111 45314 54766 64222 90628 109532 128444 181256 219064 256888 362512 438128 513776 4463429 8926858 17853716 35707432 71414864