Search a number
-
+
1445461374 = 23738219007
BaseRepresentation
bin101011000100111…
…1111110101111110
310201201220001020110
41112021333311332
510430014230444
6355233130450
750551135050
oct12611776576
93651801213
101445461374
11681a1a585
123440b9a26
131a06080b6
14d9d878d0
1586d74cb9
hex5627fd7e

1445461374 has 32 divisors (see below), whose sum is σ = 3305143296. Its totient is φ = 412835040.

The previous prime is 1445461361. The next prime is 1445461379. The reversal of 1445461374 is 4731645441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445461379) 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, 155979 + ... + 164985.

It is an arithmetic number, because the mean of its divisors is an integer number (103285728).

Almost surely, 21445461374 is an apocalyptic number.

1445461374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1445461374 is an abundant number, since it is smaller than the sum of its proper divisors (1859681922).

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

1445461374 is a wasteful number, since it uses less digits than its factorization.

1445461374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840.

The product of its digits is 161280, while the sum is 39.

The square root of 1445461374 is about 38019.2237427331. The cubic root of 1445461374 is about 1130.6690308113.

The spelling of 1445461374 in words is "one billion, four hundred forty-five million, four hundred sixty-one thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 3821 7642 9007 11463 18014 22926 26747 27021 53494 54042 63049 80241 126098 160482 189147 378294 34415747 68831494 103247241 206494482 240910229 481820458 722730687 1445461374