Search a number
-
+
1493449330 = 25731091372
BaseRepresentation
bin101100100000100…
…0011101001110010
310212002012002100011
41121001003221302
511024310334310
6404105445134
752003052452
oct13101035162
93762162304
101493449330
116a701664a
123581a07aa
131aa53a739
141024b9d62
158b1a378a
hex59043a72

1493449330 has 48 divisors (see below), whose sum is σ = 2770253640. Its totient is φ = 579529728.

The previous prime is 1493449301. The next prime is 1493449339. The reversal of 1493449330 is 339443941.

It can be written as a sum of positive squares in 12 ways, for example, as 401080729 + 1092368601 = 20027^2 + 33051^2 .

It is not an unprimeable number, because it can be changed into a prime (1493449339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10901022 + ... + 10901158.

Almost surely, 21493449330 is an apocalyptic number.

1493449330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1493449330 is a deficient number, since it is larger than the sum of its proper divisors (1276804310).

1493449330 is a wasteful number, since it uses less digits than its factorization.

1493449330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 1493449330 is about 38645.1721434903. The cubic root of 1493449330 is about 1143.0454453046.

The spelling of 1493449330 in words is "one billion, four hundred ninety-three million, four hundred forty-nine thousand, three hundred thirty".

Divisors: 1 2 5 10 73 109 137 146 218 274 365 545 685 730 1090 1370 7957 10001 14933 15914 18769 20002 29866 37538 39785 50005 74665 79570 93845 100010 149330 187690 1090109 1370137 2045821 2180218 2740274 4091642 5450545 6850685 10229105 10901090 13701370 20458210 149344933 298689866 746724665 1493449330