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67148982 = 2323730499
BaseRepresentation
bin1000000000010…
…01110010110110
311200100112002100
410000021302312
5114142231412
610355122530
71443520425
oct400116266
9150315070
1067148982
11349a402a
121a5a3446
1310bb0c34
148cbd2bc
155d65edc
hex4009cb6

67148982 has 12 divisors (see below), whose sum is σ = 145489500. Its totient is φ = 22382988.

The previous prime is 67148981. The next prime is 67148989. The reversal of 67148982 is 28984176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67148981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1865232 + ... + 1865267.

It is an arithmetic number, because the mean of its divisors is an integer number (12124125).

Almost surely, 267148982 is an apocalyptic number.

67148982 is an abundant number, since it is smaller than the sum of its proper divisors (78340518).

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

67148982 is a wasteful number, since it uses less digits than its factorization.

67148982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730507 (or 3730504 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 67148982 is about 8194.4482425603. The cubic root of 67148982 is about 406.4556307469.

The spelling of 67148982 in words is "sixty-seven million, one hundred forty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 3730499 7460998 11191497 22382994 33574491 67148982