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86744212 = 2279277991
BaseRepresentation
bin1010010101110…
…01110010010100
320001020001200121
411022321302110
5134201303322
612335121324
72102212402
oct512716224
9201201617
1086744212
1144a68235
1225073244
1314c82049
14b740472
157936ec7
hex52b9c94

86744212 has 24 divisors (see below), whose sum is σ = 154434560. Its totient is φ = 42625440.

The previous prime is 86744173. The next prime is 86744237. The reversal of 86744212 is 21244768.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 87037 + ... + 88027.

Almost surely, 286744212 is an apocalyptic number.

It is an amenable number.

86744212 is a deficient number, since it is larger than the sum of its proper divisors (67690348).

86744212 is a wasteful number, since it uses less digits than its factorization.

86744212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1349 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 86744212 is about 9313.6572837957. The cubic root of 86744212 is about 442.6700796397.

The spelling of 86744212 in words is "eighty-six million, seven hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 79 158 277 316 554 991 1108 1982 3964 21883 43766 78289 87532 156578 274507 313156 549014 1098028 21686053 43372106 86744212