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2140552231 = 37411411043
BaseRepresentation
bin111111110010110…
…0011110000100111
312112011211022122021
41333211203300213
513340440132411
6552223244011
7104021252026
oct17745436047
95464738567
102140552231
119a9316634
124b8a49607
13281618b6c
141644048bd
15c7dc7a71
hex7f963c27

2140552231 has 8 divisors (see below), whose sum is σ = 2252026224. Its totient is φ = 2031900480.

The previous prime is 2140552171. The next prime is 2140552241. The reversal of 2140552231 is 1322550412.

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 2140552231 - 213 = 2140544039 is a prime.

It is a super-2 number, since 2×21405522312 = 9163927707278154722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140552196 and 2140552205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140552241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704005 + ... + 707038.

It is an arithmetic number, because the mean of its divisors is an integer number (281503278).

Almost surely, 22140552231 is an apocalyptic number.

2140552231 is a deficient number, since it is larger than the sum of its proper divisors (111473993).

2140552231 is a wasteful number, since it uses less digits than its factorization.

2140552231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411121.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2140552231 is about 46266.1023968953. The cubic root of 2140552231 is about 1288.7695799411.

The spelling of 2140552231 in words is "two billion, one hundred forty million, five hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 37 41 1517 1411043 52208591 57852763 2140552231