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2285123652 = 2232713169221
BaseRepresentation
bin1000100000110100…
…0011100001000100
312220020212022100100
42020031003201010
514134442424102
61014430044100
7110425142040
oct21015034104
95806768310
102285123652
11a72990249
12539349630
132a5566b96
141796b9020
15d5933a1c
hex88343844

2285123652 has 72 divisors (see below), whose sum is σ = 6651957312. Its totient is φ = 647899200.

The previous prime is 2285123651. The next prime is 2285123671. The reversal of 2285123652 is 2563215822.

It is a happy number.

2285123652 is a `hidden beast` number, since 2 + 285 + 12 + 365 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2285123651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599 + ... + 67622.

It is an arithmetic number, because the mean of its divisors is an integer number (92388296).

Almost surely, 22285123652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2285123652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3325978656).

2285123652 is an abundant number, since it is smaller than the sum of its proper divisors (4366833660).

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

2285123652 is a wasteful number, since it uses less digits than its factorization.

2285123652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69369 (or 69364 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2285123652 is about 47802.9669790485. The cubic root of 2285123652 is about 1317.1540406127.

The spelling of 2285123652 in words is "two billion, two hundred eighty-five million, one hundred twenty-three thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 131 252 262 393 524 786 917 1179 1572 1834 2358 2751 3668 4716 5502 8253 11004 16506 33012 69221 138442 207663 276884 415326 484547 622989 830652 969094 1245978 1453641 1938188 2491956 2907282 4360923 5814564 8721846 9067951 17443692 18135902 27203853 36271804 54407706 63475657 81611559 108815412 126951314 163223118 190426971 253902628 326446236 380853942 571280913 761707884 1142561826 2285123652