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245132136 = 23331134871
BaseRepresentation
bin11101001110001…
…10101101101000
3122002021000002000
432213012231220
51000223212021
640154011000
76034405644
oct1647065550
9562230060
10245132136
11116409447
126a116a60
133ba29b02
14247adc24
15167c1b26
hexe9c6b68

245132136 has 32 divisors (see below), whose sum is σ = 680923200. Its totient is φ = 81710640.

The previous prime is 245132123. The next prime is 245132191. The reversal of 245132136 is 631231542.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567220 + ... + 567651.

It is an arithmetic number, because the mean of its divisors is an integer number (21278850).

Almost surely, 2245132136 is an apocalyptic number.

It is an amenable number.

245132136 is an abundant number, since it is smaller than the sum of its proper divisors (435791064).

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

245132136 is a wasteful number, since it uses less digits than its factorization.

245132136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134886 (or 1134876 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 245132136 is about 15656.6962032224. The cubic root of 245132136 is about 625.8449465764.

Adding to 245132136 its reverse (631231542), we get a palindrome (876363678).

The spelling of 245132136 in words is "two hundred forty-five million, one hundred thirty-two thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 1134871 2269742 3404613 4539484 6809226 9078968 10213839 13618452 20427678 27236904 30641517 40855356 61283034 81710712 122566068 245132136