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66913482 = 2328373931
BaseRepresentation
bin1111111101000…
…0010011001010
311122220120001010
43333100103022
5114112212412
610350104350
71441520016
oct377202312
9148816033
1066913482
11348530a9
121a4ab0b6
1310b2a99c
148c5b546
155d1b33c
hex3fd04ca

66913482 has 16 divisors (see below), whose sum is σ = 133908192. Its totient is φ = 22290960.

The previous prime is 66913439. The next prime is 66913487. The reversal of 66913482 is 28431966.

It is a self number, because there is not a number n which added to its sum of digits gives 66913482.

It is not an unprimeable number, because it can be changed into a prime (66913487) 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, 15057 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (8369262).

Almost surely, 266913482 is an apocalyptic number.

66913482 is an abundant number, since it is smaller than the sum of its proper divisors (66994710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66913482 is a wasteful number, since it uses less digits than its factorization.

66913482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773.

The product of its digits is 62208, while the sum is 39.

The square root of 66913482 is about 8180.0661366520. The cubic root of 66913482 is about 405.9799103522.

The spelling of 66913482 in words is "sixty-six million, nine hundred thirteen thousand, four hundred eighty-two".

Divisors: 1 2 3 6 2837 3931 5674 7862 8511 11793 17022 23586 11152247 22304494 33456741 66913482