Search a number
-
+
140710446 = 234868583
BaseRepresentation
bin10000110001100…
…01001000101110
3100210202211110000
420120301020232
5242010213241
621543525130
73326006352
oct1030611056
9323684400
10140710446
1172477928
123b1597a6
13231c8826
141498b462
15c546eb6
hex863122e

140710446 has 20 divisors (see below), whose sum is σ = 315295992. Its totient is φ = 46903428.

The previous prime is 140710439. The next prime is 140710511. The reversal of 140710446 is 644017041.

It is a super-2 number, since 2×1407104462 = 39598859227037832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 434130 + ... + 434453.

Almost surely, 2140710446 is an apocalyptic number.

140710446 is an abundant number, since it is smaller than the sum of its proper divisors (174585546).

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

140710446 is an equidigital number, since it uses as much as digits as its factorization.

140710446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868597 (or 868588 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140710446 is about 11862.1433982228. The cubic root of 140710446 is about 520.1262587889.

Adding to 140710446 its reverse (644017041), we get a palindrome (784727487).

The spelling of 140710446 in words is "one hundred forty million, seven hundred ten thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 868583 1737166 2605749 5211498 7817247 15634494 23451741 46903482 70355223 140710446