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140459419 = 1931238471
BaseRepresentation
bin10000101111100…
…11110110011011
3100210022002002201
420113303312123
5241424200134
621534311031
73323612452
oct1027636633
9323262081
10140459419
1172316271
123b058477
132313b4a9
1414923b99
15c4e7914
hex85f3d9b

140459419 has 8 divisors (see below), whose sum is σ = 152622080. Its totient is φ = 128773800.

The previous prime is 140459401. The next prime is 140459447. The reversal of 140459419 is 914954041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140459419 - 223 = 132070811 is a prime.

It is a super-2 number, since 2×1404594192 = 39457696771635122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140459119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118647 + ... + 119824.

It is an arithmetic number, because the mean of its divisors is an integer number (19077760).

Almost surely, 2140459419 is an apocalyptic number.

140459419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140459419 is the 6843-rd hex number.

140459419 is a deficient number, since it is larger than the sum of its proper divisors (12162661).

140459419 is a wasteful number, since it uses less digits than its factorization.

140459419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238521.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 140459419 is about 11851.5576613372. The cubic root of 140459419 is about 519.8167734639.

The spelling of 140459419 in words is "one hundred forty million, four hundred fifty-nine thousand, four hundred nineteen".

Divisors: 1 19 31 589 238471 4530949 7392601 140459419