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228297822909432 = 233238315823252277
BaseRepresentation
bin110011111010001010111010…
…101000110011001111111000
31002221100001120210211100000120
4303322022322220303033320
5214410412420131100212
62125314323314133240
766041654606326443
oct6372127250631770
91087301523740016
10228297822909432
1166819621358511
1221731792b81220
139a50513c257a3
14405396046a65a
151b5d83c35588c
hexcfa2baa333f8

228297822909432 has 64 divisors (see below), whose sum is σ = 571022413178880. Its totient is φ = 76062231176832.

The previous prime is 228297822909389. The next prime is 228297822909439. The reversal of 228297822909432 is 234909228792822.

It is a happy number.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228297822909439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904822878 + ... + 905075154.

It is an arithmetic number, because the mean of its divisors is an integer number (8922225205920).

Almost surely, 2228297822909432 is an apocalyptic number.

It is an amenable number.

228297822909432 is an abundant number, since it is smaller than the sum of its proper divisors (342724590269448).

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

228297822909432 is a wasteful number, since it uses less digits than its factorization.

228297822909432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270492 (or 270488 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 69.

The spelling of 228297822909432 in words is "two hundred twenty-eight trillion, two hundred ninety-seven billion, eight hundred twenty-two million, nine hundred nine thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 2383 4766 7149 9532 14298 15823 19064 28596 31646 47469 57192 63292 94938 126584 189876 252277 379752 504554 756831 1009108 1513662 2018216 3027324 6054648 37706209 75412418 113118627 150824836 226237254 301649672 452474508 601176091 904949016 1202352182 1803528273 2404704364 3607056546 3991778971 4809408728 7214113092 7983557942 11975336913 14428226184 15967115884 23950673826 31934231768 47901347652 95802695304 9512409287893 19024818575786 28537227863679 38049637151572 57074455727358 76099274303144 114148911454716 228297822909432