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1375874448 = 2431311811867
BaseRepresentation
bin101001000000010…
…0010110110010000
310112212221122220220
41102000202312100
510304210440243
6344305433040
746044511524
oct12200426620
93485848826
101375874448
11646710923
1232493b780
1318c0825c0
14d0a31d84
1580bcb783
hex52022d90

1375874448 has 80 divisors (see below), whose sum is σ = 3833046336. Its totient is φ = 422760960.

The previous prime is 1375874443. The next prime is 1375874471. The reversal of 1375874448 is 8444785731.

Its product of digits (3010560) is a multiple of the sum of its prime factors (3072).

It is a self number, because there is not a number n which added to its sum of digits gives 1375874448.

It is not an unprimeable number, because it can be changed into a prime (1375874441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736011 + ... + 737877.

Almost surely, 21375874448 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 1375874448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916523168).

1375874448 is an abundant number, since it is smaller than the sum of its proper divisors (2457171888).

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

1375874448 is a wasteful number, since it uses less digits than its factorization.

1375874448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072 (or 3066 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The square root of 1375874448 is about 37092.7816158346. The cubic root of 1375874448 is about 1112.2257232028.

The spelling of 1375874448 in words is "one billion, three hundred seventy-five million, eight hundred seventy-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 1181 1867 2362 3543 3734 4724 5601 7086 7468 9448 11202 14172 14936 15353 18896 22404 24271 28344 29872 30706 44808 46059 48542 56688 61412 72813 89616 92118 97084 122824 145626 184236 194168 245648 291252 368472 388336 582504 736944 1165008 2204927 4409854 6614781 8819708 13229562 17639416 26459124 28664051 35278832 52918248 57328102 85992153 105836496 114656204 171984306 229312408 343968612 458624816 687937224 1375874448