Search a number
-
+
1441431730 = 25211683143
BaseRepresentation
bin101010111101010…
…1000000010110010
310201110022022121101
41111322220002302
510423001303410
6355010515014
750501652604
oct12572500262
93643268541
101441431730
1167a717aa2
12342895a6a
1319c826bab
14d9619174
158682ad3a
hex55ea80b2

1441431730 has 16 divisors (see below), whose sum is σ = 2606877504. Its totient is φ = 573839280.

The previous prime is 1441431697. The next prime is 1441431731. The reversal of 1441431730 is 371341441.

It is not an unprimeable number, because it can be changed into a prime (1441431731) 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, 339462 + ... + 343681.

It is an arithmetic number, because the mean of its divisors is an integer number (162929844).

Almost surely, 21441431730 is an apocalyptic number.

1441431730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1441431730 is a deficient number, since it is larger than the sum of its proper divisors (1165445774).

1441431730 is a wasteful number, since it uses less digits than its factorization.

1441431730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683361.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1441431730 is about 37966.1919344040. The cubic root of 1441431730 is about 1129.6173633339.

The spelling of 1441431730 in words is "one billion, four hundred forty-one million, four hundred thirty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 211 422 1055 2110 683143 1366286 3415715 6831430 144143173 288286346 720715865 1441431730