Search a number
-
+
6149478 = 231760289
BaseRepresentation
bin10111011101010101100110
3102120102111110
4113131111212
53033240403
6335445450
7103161336
oct27352546
912512443
106149478
113520215
122086886
13137405a
14b610c6
15817103
hex5dd566

6149478 has 16 divisors (see below), whose sum is σ = 13022640. Its totient is φ = 1929216.

The previous prime is 6149477. The next prime is 6149489. The reversal of 6149478 is 8749416.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149477) 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, 30043 + ... + 30246.

It is an arithmetic number, because the mean of its divisors is an integer number (813915).

Almost surely, 26149478 is an apocalyptic number.

6149478 is an abundant number, since it is smaller than the sum of its proper divisors (6873162).

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

6149478 is a wasteful number, since it uses less digits than its factorization.

6149478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60311.

The product of its digits is 48384, while the sum is 39.

The square root of 6149478 is about 2479.8141059362. The cubic root of 6149478 is about 183.2086961859.

The spelling of 6149478 in words is "six million, one hundred forty-nine thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 60289 120578 180867 361734 1024913 2049826 3074739 6149478