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66527416 = 238315927
BaseRepresentation
bin1111110111001…
…0000010111000
311122011221110101
43331302002320
5114012334131
610333525144
71435321324
oct375620270
9148157411
1066527416
113460a03a
121a3437b4
1310a24047
148b9a984
155c91c61
hex3f720b8

66527416 has 8 divisors (see below), whose sum is σ = 124738920. Its totient is φ = 33263704.

The previous prime is 66527413. The next prime is 66527437. The reversal of 66527416 is 61472566.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×665274163 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66527413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157956 + ... + 4157971.

It is an arithmetic number, because the mean of its divisors is an integer number (15592365).

Almost surely, 266527416 is an apocalyptic number.

It is an amenable number.

66527416 is a deficient number, since it is larger than the sum of its proper divisors (58211504).

66527416 is a wasteful number, since it uses less digits than its factorization.

66527416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315933 (or 8315929 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 66527416 is about 8156.4340247439. The cubic root of 66527416 is about 405.1976193515.

The spelling of 66527416 in words is "sixty-six million, five hundred twenty-seven thousand, four hundred sixteen".

Divisors: 1 2 4 8 8315927 16631854 33263708 66527416