Search a number
-
+
27131962 = 21113194993
BaseRepresentation
bin110011110000…
…0000000111010
31220001110001111
41213200000322
523421210322
62405310534
7446421634
oct147400072
956043044
1027131962
1114351710
12910544a
13580c720
143863a54
1525ae177
hex19e003a

27131962 has 32 divisors (see below), whose sum is σ = 50339520. Its totient is φ = 10782720.

The previous prime is 27131959. The next prime is 27131963. The reversal of 27131962 is 26913172.

It is a super-2 number, since 2×271319622 = 1472286723938888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27131963) 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, 2938 + ... + 7930.

It is an arithmetic number, because the mean of its divisors is an integer number (1573110).

Almost surely, 227131962 is an apocalyptic number.

27131962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27131962 is a deficient number, since it is larger than the sum of its proper divisors (23207558).

27131962 is a wasteful number, since it uses less digits than its factorization.

27131962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038.

The product of its digits is 4536, while the sum is 31.

The square root of 27131962 is about 5208.8349945069. The cubic root of 27131962 is about 300.4879540540.

The spelling of 27131962 in words is "twenty-seven million, one hundred thirty-one thousand, nine hundred sixty-two".

Divisors: 1 2 11 13 19 22 26 38 143 209 247 286 418 494 2717 4993 5434 9986 54923 64909 94867 109846 129818 189734 713999 1043537 1233271 1427998 2087074 2466542 13565981 27131962