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1376489632 = 25719132173
BaseRepresentation
bin101001000001011…
…1001000010100000
310112221002220210111
41102002321002200
510304340132012
6344330541104
746052653210
oct12202710240
93487086714
101376489632
11646aa1041
12324b97794
1318c23960b
14d0b52240
1580c9dba7
hex520b90a0

1376489632 has 48 divisors (see below), whose sum is σ = 3113413632. Its totient is φ = 586817280.

The previous prime is 1376489593. The next prime is 1376489633. The reversal of 1376489632 is 2369846731.

It is not an unprimeable number, because it can be changed into a prime (1376489633) 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, 26698 + ... + 58870.

It is an arithmetic number, because the mean of its divisors is an integer number (64862784).

Almost surely, 21376489632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1376489632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556706816).

1376489632 is an abundant number, since it is smaller than the sum of its proper divisors (1736924000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1376489632 is a wasteful number, since it uses less digits than its factorization.

1376489632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32381 (or 32373 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 1376489632 is about 37101.0731920251. The cubic root of 1376489632 is about 1112.3914654376.

The spelling of 1376489632 in words is "one billion, three hundred seventy-six million, four hundred eighty-nine thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 191 224 382 764 1337 1528 2674 3056 5348 6112 10696 21392 32173 42784 64346 128692 225211 257384 450422 514768 900844 1029536 1801688 3603376 6145043 7206752 12290086 24580172 43015301 49160344 86030602 98320688 172061204 196641376 344122408 688244816 1376489632