Search a number
-
+
38000060 = 2257271429
BaseRepresentation
bin1001000011110…
…1010110111100
32122111121021122
42100331112330
534212000220
63434250112
7640665230
oct220752674
978447248
1038000060
111a4a500a
1210886938
137b46457
1450925c0
153509425
hex243d5bc

38000060 has 24 divisors (see below), whose sum is σ = 91200480. Its totient is φ = 13028544.

The previous prime is 38000059. The next prime is 38000069. The reversal of 38000060 is 6000083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135575 + ... + 135854.

It is an arithmetic number, because the mean of its divisors is an integer number (3800020).

Almost surely, 238000060 is an apocalyptic number.

It is an amenable number.

38000060 is an abundant number, since it is smaller than the sum of its proper divisors (53200420).

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

38000060 is a wasteful number, since it uses less digits than its factorization.

38000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271445 (or 271443 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 38000060 is about 6164.4188696097. The cubic root of 38000060 is about 336.1977176259.

The spelling of 38000060 in words is "thirty-eight million, sixty", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 271429 542858 1085716 1357145 1900003 2714290 3800006 5428580 7600012 9500015 19000030 38000060