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1441378931 = 19169944651
BaseRepresentation
bin101010111101001…
…1011001001110011
310201110012122011212
41111322123021303
510422443111211
6355005430335
750501342636
oct12572331163
93643178155
101441378931
1167a691363
1234286b3ab
1319c808b55
14d9603c1d
158681a38b
hex55e9b273

1441378931 has 8 divisors (see below), whose sum is σ = 1518168000. Its totient is φ = 1364682600.

The previous prime is 1441378879. The next prime is 1441378933. The reversal of 1441378931 is 1398731441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1441378931 - 26 = 1441378867 is a prime.

It is a super-2 number, since 2×14413789312 = 4155146445461405522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441378933) 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, 9956 + ... + 54606.

It is an arithmetic number, because the mean of its divisors is an integer number (189771000).

Almost surely, 21441378931 is an apocalyptic number.

1441378931 is a deficient number, since it is larger than the sum of its proper divisors (76789069).

1441378931 is a wasteful number, since it uses less digits than its factorization.

1441378931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46369.

The product of its digits is 72576, while the sum is 41.

The square root of 1441378931 is about 37965.4965857158. The cubic root of 1441378931 is about 1129.6035707058.

The spelling of 1441378931 in words is "one billion, four hundred forty-one million, three hundred seventy-eight thousand, nine hundred thirty-one".

Divisors: 1 19 1699 32281 44651 848369 75862049 1441378931