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289065416 = 231741471103
BaseRepresentation
bin10001001110101…
…100100111001000
3202010221001012112
4101032230213020
51043000043131
644403401452
710110005213
oct2116544710
9663831175
10289065416
11139196142
1280983288
1347b6ca33
142a56877a
151a59e02b
hex113ac9c8

289065416 has 64 divisors (see below), whose sum is σ = 600929280. Its totient is φ = 129771520.

The previous prime is 289065409. The next prime is 289065443. The reversal of 289065416 is 614560982.

It is a happy number.

289065416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 261521 + ... + 262623.

It is an arithmetic number, because the mean of its divisors is an integer number (9389520).

Almost surely, 2289065416 is an apocalyptic number.

It is an amenable number.

289065416 is an abundant number, since it is smaller than the sum of its proper divisors (311863864).

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

289065416 is a wasteful number, since it uses less digits than its factorization.

289065416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 289065416 is about 17001.9238911366. The cubic root of 289065416 is about 661.1987824153.

The spelling of 289065416 in words is "two hundred eighty-nine million, sixty-five thousand, four hundred sixteen".

Divisors: 1 2 4 8 17 34 41 47 68 82 94 136 164 188 328 376 697 799 1103 1394 1598 1927 2206 2788 3196 3854 4412 5576 6392 7708 8824 15416 18751 32759 37502 45223 51841 65518 75004 90446 103682 131036 150008 180892 207364 262072 361784 414728 768791 881297 1537582 1762594 2125481 3075164 3525188 4250962 6150328 7050376 8501924 17003848 36133177 72266354 144532708 289065416