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67270242 = 23131018539
BaseRepresentation
bin1000000001001…
…11011001100010
311200120200102110
410000213121202
5114210121432
610401500150
71444534104
oct400473142
9150520373
1067270242
1134a77146
121a641656
1310c241a0
148d11574
155d8bdcc
hex4027662

67270242 has 32 divisors (see below), whose sum is σ = 146341440. Its totient is φ = 20491200.

The previous prime is 67270237. The next prime is 67270243. The reversal of 67270242 is 24207276.

It is not an unprimeable number, because it can be changed into a prime (67270243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3609 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (4573170).

Almost surely, 267270242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67270242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73170720).

67270242 is an abundant number, since it is smaller than the sum of its proper divisors (79071198).

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

67270242 is a wasteful number, since it uses less digits than its factorization.

67270242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 67270242 is about 8201.8438170938. The cubic root of 67270242 is about 406.7001475913.

The spelling of 67270242 in words is "sixty-seven million, two hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 101 202 303 606 1313 2626 3939 7878 8539 17078 25617 51234 111007 222014 333021 666042 862439 1724878 2587317 5174634 11211707 22423414 33635121 67270242