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140248801 = 711315053
BaseRepresentation
bin10000101110000…
…00011011100001
3100202220101012001
420113000123201
5241400430201
621530004001
73322044430
oct1027003341
9322811161
10140248801
1172192000
123ab76601
1323096674
14148ab117
15c4a5301
hex85c06e1

140248801 has 16 divisors (see below), whose sum is σ = 176312448. Its totient is φ = 109277520.

The previous prime is 140248789. The next prime is 140248811. The reversal of 140248801 is 108842041.

It is not a de Polignac number, because 140248801 - 25 = 140248769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140248801.

It is not an unprimeable number, because it can be changed into a prime (140248811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1791 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (11019528).

Almost surely, 2140248801 is an apocalyptic number.

140248801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140248801 is a deficient number, since it is larger than the sum of its proper divisors (36063647).

140248801 is an equidigital number, since it uses as much as digits as its factorization.

140248801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093 (or 15071 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 140248801 is about 11842.6686603991. The cubic root of 140248801 is about 519.5568228473.

The spelling of 140248801 in words is "one hundred forty million, two hundred forty-eight thousand, eight hundred one".

Divisors: 1 7 11 77 121 847 1331 9317 15053 105371 165583 1159081 1821413 12749891 20035543 140248801