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85366972 = 2221341743
BaseRepresentation
bin1010001011010…
…01100010111100
312221122002110201
411011221202330
5133323220342
612245413244
72054415205
oct505514274
9187562421
1085366972
1144207519
122470a224
13148bc202
14b4a25ac
157763db7
hex51698bc

85366972 has 6 divisors (see below), whose sum is σ = 149392208. Its totient is φ = 42683484.

The previous prime is 85366949. The next prime is 85366973. The reversal of 85366972 is 27966358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85366973) by changing a digit.

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 as a sum of consecutive naturals, namely, 10670868 + ... + 10670875.

Almost surely, 285366972 is an apocalyptic number.

It is an amenable number.

85366972 is a deficient number, since it is larger than the sum of its proper divisors (64025236).

85366972 is a wasteful number, since it uses less digits than its factorization.

85366972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21341747 (or 21341745 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 85366972 is about 9239.4248738761. The cubic root of 85366972 is about 440.3148091434.

The spelling of 85366972 in words is "eighty-five million, three hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 21341743 42683486 85366972