Search a number
-
+
140812982 = 270406491
BaseRepresentation
bin10000110010010…
…10001010110110
3100210222001002122
420121022022312
5242022003412
621550035542
73326614322
oct1031121266
9323861078
10140812982
1172537972
123b1a8bb2
13232333bb
14149b6982
15c567572
hex864a2b6

140812982 has 4 divisors (see below), whose sum is σ = 211219476. Its totient is φ = 70406490.

The previous prime is 140812981. The next prime is 140813011. The reversal of 140812982 is 289218041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140812981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35203244 + ... + 35203247.

It is an arithmetic number, because the mean of its divisors is an integer number (52804869).

Almost surely, 2140812982 is an apocalyptic number.

140812982 is a deficient number, since it is larger than the sum of its proper divisors (70406494).

140812982 is an equidigital number, since it uses as much as digits as its factorization.

140812982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70406493.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 140812982 is about 11866.4645956578. The cubic root of 140812982 is about 520.2525671490.

The spelling of 140812982 in words is "one hundred forty million, eight hundred twelve thousand, nine hundred eighty-two".

Divisors: 1 2 70406491 140812982