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1373080352 = 2572875689
BaseRepresentation
bin101000111010111…
…1000101100100000
310112200200201010212
41101311320230200
510303002032402
6344125513252
746011663500
oct12165705440
93480621125
101373080352
11645082656
12323a12828
1318b6148a7
14d0505a00
1580828952
hex51d78b20

1373080352 has 36 divisors (see below), whose sum is σ = 3144602790. Its totient is φ = 588462336.

The previous prime is 1373080351. The next prime is 1373080369. The reversal of 1373080352 is 2530803731.

It can be written as a sum of positive squares in only one way, i.e., 1318851856 + 54228496 = 36316^2 + 7364^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1373080351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436277 + ... + 439412.

Almost surely, 21373080352 is an apocalyptic number.

It is an amenable number.

1373080352 is an abundant number, since it is smaller than the sum of its proper divisors (1771522438).

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

1373080352 is an equidigital number, since it uses as much as digits as its factorization.

1373080352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875713 (or 875698 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1373080352 is about 37055.0988664178. The cubic root of 1373080352 is about 1111.4723183444.

The spelling of 1373080352 in words is "one billion, three hundred seventy-three million, eighty thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 875689 1751378 3502756 6129823 7005512 12259646 14011024 24519292 28022048 42908761 49038584 85817522 98077168 171635044 196154336 343270088 686540176 1373080352