Search a number
-
+
67134530 = 25173112739
BaseRepresentation
bin1000000000001…
…10010001000010
311200022210021002
410000012101002
5114141301110
610354532002
71443430331
oct400062102
9150283232
1067134530
1134994191
121a597002
1310ba7498
148cb7d18
155d61aa5
hex4006442

67134530 has 32 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 24456960.

The previous prime is 67134511. The next prime is 67134533. The reversal of 67134530 is 3543176.

It is a junction number, because it is equal to n+sod(n) for n = 67134493 and 67134502.

It is not an unprimeable number, because it can be changed into a prime (67134533) 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, 1100 + ... + 11639.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 267134530 is an apocalyptic number.

67134530 is a deficient number, since it is larger than the sum of its proper divisors (64953790).

67134530 is a wasteful number, since it uses less digits than its factorization.

67134530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 67134530 is about 8193.5663785680. The cubic root of 67134530 is about 406.4264691321.

The spelling of 67134530 in words is "sixty-seven million, one hundred thirty-four thousand, five hundred thirty".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2635 5270 12739 25478 63695 127390 216563 394909 433126 789818 1082815 1974545 2165630 3949090 6713453 13426906 33567265 67134530