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1376488641 = 31141711777
BaseRepresentation
bin101001000001011…
…1000110011000001
310112221002212102210
41102002320303001
510304340114031
6344330532333
746052650263
oct12202706301
93487085383
101376488641
11646aa0320
12324b970a9
1318c239028
14d0b51b33
1580c9d746
hex520b8cc1

1376488641 has 8 divisors (see below), whose sum is σ = 2002165344. Its totient is φ = 834235520.

The previous prime is 1376488639. The next prime is 1376488643. The reversal of 1376488641 is 1468846731.

It is an interprime number because it is at equal distance from previous prime (1376488639) and next prime (1376488643).

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 1376488641 - 21 = 1376488639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1376488643) 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, 20855856 + ... + 20855921.

It is an arithmetic number, because the mean of its divisors is an integer number (250270668).

Almost surely, 21376488641 is an apocalyptic number.

1376488641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1376488641 is a deficient number, since it is larger than the sum of its proper divisors (625676703).

1376488641 is a wasteful number, since it uses less digits than its factorization.

1376488641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41711791.

The product of its digits is 774144, while the sum is 48.

The square root of 1376488641 is about 37101.0598366138. The cubic root of 1376488641 is about 1112.3911984831.

The spelling of 1376488641 in words is "one billion, three hundred seventy-six million, four hundred eighty-eight thousand, six hundred forty-one".

Divisors: 1 3 11 33 41711777 125135331 458829547 1376488641