Search a number
-
+
1465361540 = 225971674523
BaseRepresentation
bin101011101010111…
…1010010010000100
310210010100002010122
41113111322102010
511000113032130
6401223441112
751212240036
oct12725722204
93703302118
101465361540
116921818a5
1234a8b6198
131a4784c46
14dc887c56
15889a62e5
hex5757a484

1465361540 has 48 divisors (see below), whose sum is σ = 3128291712. Its totient is φ = 576500736.

The previous prime is 1465361507. The next prime is 1465361603. The reversal of 1465361540 is 451635641.

It is a super-2 number, since 2×14653615402 = 4294568885822343200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1465361540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321719 + ... + 326241.

It is an arithmetic number, because the mean of its divisors is an integer number (65172744).

Almost surely, 21465361540 is an apocalyptic number.

1465361540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465361540 is an abundant number, since it is smaller than the sum of its proper divisors (1662930172).

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

1465361540 is a wasteful number, since it uses less digits than its factorization.

1465361540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1465361540 is about 38280.0410135621. The cubic root of 1465361540 is about 1135.8341697781.

The spelling of 1465361540 in words is "one billion, four hundred sixty-five million, three hundred sixty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 97 167 194 334 388 485 668 835 970 1670 1940 3340 4523 9046 16199 18092 22615 32398 45230 64796 80995 90460 161990 323980 438731 755341 877462 1510682 1754924 2193655 3021364 3776705 4387310 7553410 8774620 15106820 73268077 146536154 293072308 366340385 732680770 1465361540