Search a number
-
+
67342270 = 25171920849
BaseRepresentation
bin1000000001110…
…00111110111110
311200201100020011
410000320332332
5114214423040
610403213434
71445254102
oct400707676
9150640204
1067342270
1135016276
121a67727a
1310c4abc8
148d2d902
155da33ea
hex4038fbe

67342270 has 32 divisors (see below), whose sum is σ = 135108000. Its totient is φ = 24016896.

The previous prime is 67342201. The next prime is 67342273. The reversal of 67342270 is 7224376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67342273) 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, 7195 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (4222125).

Almost surely, 267342270 is an apocalyptic number.

67342270 is an abundant number, since it is smaller than the sum of its proper divisors (67765730).

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

67342270 is a wasteful number, since it uses less digits than its factorization.

67342270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20892.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 67342270 is about 8206.2336062289. The cubic root of 67342270 is about 406.8452506283.

The spelling of 67342270 in words is "sixty-seven million, three hundred forty-two thousand, two hundred seventy".

Divisors: 1 2 5 10 17 19 34 38 85 95 170 190 323 646 1615 3230 20849 41698 104245 208490 354433 396131 708866 792262 1772165 1980655 3544330 3961310 6734227 13468454 33671135 67342270