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140270938 = 270135469
BaseRepresentation
bin10000101110001…
…01110101011010
3100202221111112221
420113011311122
5241402132223
621530254254
73322166113
oct1027056532
9322844487
10140270938
11721a76a5
123ab8738a
13230a3772
14148b520a
15c4abb5d
hex85c5d5a

140270938 has 4 divisors (see below), whose sum is σ = 210406410. Its totient is φ = 70135468.

The previous prime is 140270929. The next prime is 140270947. The reversal of 140270938 is 839072041.

140270938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839072041 = 5571506413.

It is an interprime number because it is at equal distance from previous prime (140270929) and next prime (140270947).

It can be written as a sum of positive squares in only one way, i.e., 136258929 + 4012009 = 11673^2 + 2003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067733 + ... + 35067736.

Almost surely, 2140270938 is an apocalyptic number.

140270938 is a deficient number, since it is larger than the sum of its proper divisors (70135472).

140270938 is an equidigital number, since it uses as much as digits as its factorization.

140270938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70135471.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140270938 is about 11843.6032523890. The cubic root of 140270938 is about 519.5841571851.

The spelling of 140270938 in words is "one hundred forty million, two hundred seventy thousand, nine hundred thirty-eight".

Divisors: 1 2 70135469 140270938