Search a number
BaseRepresentation
bin100010001100010001
321010010000
4202030101
513440144
63000213
71122210
oct421421
9233100
10140049
1196248
1269069
134b990
1439077
152b769
hex22311

140049 has 40 divisors (see below), whose sum is σ = 271040. Its totient is φ = 69984.

The previous prime is 140009. The next prime is 140053. The reversal of 140049 is 940041.

140049 = 243 + 253 + ... + 303.

140049 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 140049 - 27 = 139921 is a prime.

It is a super-2 number, since 2×1400492 = 39227444802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7362 + ... + 7380.

It is an arithmetic number, because the mean of its divisors is an integer number (6776).

2140049 is an apocalyptic number.

140049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140049 is a deficient number, since it is larger than the sum of its proper divisors (130991).

140049 is a wasteful number, since it uses less digits than its factorization.

140049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 140049 is about 374.2312119533. The cubic root of 140049 is about 51.9309982217.

The spelling of 140049 in words is "one hundred forty thousand, forty-nine".