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140098513 = 178299941
BaseRepresentation
bin10000101100110…
…11101111010001
3100202121202000211
420112123233101
5241331123023
621522444121
73320550322
oct1026335721
9322552024
10140098513
117209a0a5
123ab03641
1323043139
141486c449
15c475a0d
hex859bbd1

140098513 has 8 divisors (see below), whose sum is σ = 148533480. Its totient is φ = 131685120.

The previous prime is 140098499. The next prime is 140098523. The reversal of 140098513 is 315890041.

It can be written as a sum of positive squares in 4 ways, for example, as 5143824 + 134954689 = 2268^2 + 11617^2 .

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 140098513 - 25 = 140098481 is a prime.

It is a super-2 number, since 2×1400985132 = 39255186689622338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140098523) 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, 9123 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (18566685).

Almost surely, 2140098513 is an apocalyptic number.

It is an amenable number.

140098513 is a deficient number, since it is larger than the sum of its proper divisors (8434967).

140098513 is an equidigital number, since it uses as much as digits as its factorization.

140098513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 140098513 is about 11836.3217681846. The cubic root of 140098513 is about 519.3711740511.

It can be divided in two parts, 14009 and 8513, that added together give a palindrome (22522).

The spelling of 140098513 in words is "one hundred forty million, ninety-eight thousand, five hundred thirteen".

Divisors: 1 17 829 9941 14093 168997 8241089 140098513