Search a number
-
+
67505242 = 2723718617
BaseRepresentation
bin1000000011000…
…00110001011010
311201000121210011
410001200301122
5114240131432
610410512134
71446533200
oct401406132
9151017704
1067505242
1135117762
121a73564a
1310ca713c
148d73070
155dd6847
hex4060c5a

67505242 has 24 divisors (see below), whose sum is σ = 120979764. Its totient is φ = 28147392.

The previous prime is 67505237. The next prime is 67505257. The reversal of 67505242 is 24250576.

It can be written as a sum of positive squares in 2 ways, for example, as 49688401 + 17816841 = 7049^2 + 4221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5683 + ... + 12934.

Almost surely, 267505242 is an apocalyptic number.

67505242 is a deficient number, since it is larger than the sum of its proper divisors (53474522).

67505242 is a wasteful number, since it uses less digits than its factorization.

67505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670 (or 18663 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 67505242 is about 8216.1573743448. The cubic root of 67505242 is about 407.1731821995.

The spelling of 67505242 in words is "sixty-seven million, five hundred five thousand, two hundred forty-two".

Divisors: 1 2 7 14 37 49 74 98 259 518 1813 3626 18617 37234 130319 260638 688829 912233 1377658 1824466 4821803 9643606 33752621 67505242