Search a number
-
+
140253835 = 579355073
BaseRepresentation
bin10000101110000…
…01101010001011
3100202220122002111
420113001222023
5241401110320
621530043151
73322065211
oct1027015213
9322818074
10140253835
1172195867
123ab794b7
1323098a47
14148accb1
15c4a6a5a
hex85c1a8b

140253835 has 8 divisors (see below), whose sum is σ = 170435520. Its totient is φ = 110782464.

The previous prime is 140253833. The next prime is 140253853. The reversal of 140253835 is 538352041.

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 140253835 - 21 = 140253833 is a prime.

It is a super-2 number, since 2×1402538352 = 39342276464414450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140253797 and 140253806.

It is not an unprimeable number, because it can be changed into a prime (140253833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177142 + ... + 177931.

It is an arithmetic number, because the mean of its divisors is an integer number (21304440).

Almost surely, 2140253835 is an apocalyptic number.

140253835 is a deficient number, since it is larger than the sum of its proper divisors (30181685).

140253835 is an equidigital number, since it uses as much as digits as its factorization.

140253835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355157.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 140253835 is about 11842.8811950471. The cubic root of 140253835 is about 519.5630389854.

The spelling of 140253835 in words is "one hundred forty million, two hundred fifty-three thousand, eight hundred thirty-five".

Divisors: 1 5 79 395 355073 1775365 28050767 140253835