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85463738 = 242731869
BaseRepresentation
bin1010001100000…
…01001010111010
312221211000012122
411012001022322
5133334314423
612251441242
72055300263
oct506011272
9187730178
1085463738
1144273198
1224756222
1314924279
14b4c996a
1577828c8
hex51812ba

85463738 has 4 divisors (see below), whose sum is σ = 128195610. Its totient is φ = 42731868.

The previous prime is 85463737. The next prime is 85463773. The reversal of 85463738 is 83736458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80048809 + 5414929 = 8947^2 + 2327^2 .

It is not an unprimeable number, because it can be changed into a prime (85463731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365933 + ... + 21365936.

Almost surely, 285463738 is an apocalyptic number.

85463738 is a deficient number, since it is larger than the sum of its proper divisors (42731872).

85463738 is a wasteful number, since it uses less digits than its factorization.

85463738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42731871.

The product of its digits is 483840, while the sum is 44.

The square root of 85463738 is about 9244.6599721136. The cubic root of 85463738 is about 440.4811162955.

The spelling of 85463738 in words is "eighty-five million, four hundred sixty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 42731869 85463738