Search a number
-
+
136863454 = 2713751997
BaseRepresentation
bin10000010100001…
…01111011011110
3100112112101100211
420022011323132
5240014112304
621325243034
73251214550
oct1012057336
9315471324
10136863454
117028a5a2
1239a0347a
132247c7c0
14142694d0
15c037204
hex8285ede

136863454 has 16 divisors (see below), whose sum is σ = 252671328. Its totient is φ = 54143712.

The previous prime is 136863427. The next prime is 136863497. The reversal of 136863454 is 454368631.

136863454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375817 + ... + 376180.

It is an arithmetic number, because the mean of its divisors is an integer number (15791958).

Almost surely, 2136863454 is an apocalyptic number.

136863454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136863454 is a deficient number, since it is larger than the sum of its proper divisors (115807874).

136863454 is a wasteful number, since it uses less digits than its factorization.

136863454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752019.

The product of its digits is 207360, while the sum is 40.

The square root of 136863454 is about 11698.8655005518. The cubic root of 136863454 is about 515.3423481728.

The spelling of 136863454 in words is "one hundred thirty-six million, eight hundred sixty-three thousand, four hundred fifty-four".

Divisors: 1 2 7 13 14 26 91 182 751997 1503994 5263979 9775961 10527958 19551922 68431727 136863454