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1376041261 = 7631311533
BaseRepresentation
bin101001000000100…
…1011100100101101
310112220021010202011
41102001023210231
510304231310021
6344313201221
746046105050
oct12201134455
93486233664
101376041261
11646815191
12324a00211
1318c1104ca
14d0a76a97
1580c10de1
hex5204b92d

1376041261 has 8 divisors (see below), whose sum is σ = 1575115904. Its totient is φ = 1177590960.

The previous prime is 1376041259. The next prime is 1376041283. The reversal of 1376041261 is 1621406731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1376041261 - 21 = 1376041259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376041061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151350 + ... + 160183.

It is an arithmetic number, because the mean of its divisors is an integer number (196889488).

Almost surely, 21376041261 is an apocalyptic number.

It is an amenable number.

1376041261 is a deficient number, since it is larger than the sum of its proper divisors (199074643).

1376041261 is an equidigital number, since it uses as much as digits as its factorization.

1376041261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312171.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1376041261 is about 37095.0301388205. The cubic root of 1376041261 is about 1112.2706706692.

Adding to 1376041261 its reverse (1621406731), we get a palindrome (2997447992).

The spelling of 1376041261 in words is "one billion, three hundred seventy-six million, forty-one thousand, two hundred sixty-one".

Divisors: 1 7 631 4417 311533 2180731 196577323 1376041261