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168797952 = 283324421
BaseRepresentation
bin10100000111110…
…10011100000000
3102202121211021000
422003322130000
5321203013302
624425532000
74116521211
oct1203723400
9382554230
10168797952
1187311444
1248644000
1328c8115b
14185bd408
15ec4431c
hexa0fa700

168797952 has 72 divisors (see below), whose sum is σ = 499185680. Its totient is φ = 56263680.

The previous prime is 168797939. The next prime is 168797953. The reversal of 168797952 is 259797861.

168797952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168797953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5299 + ... + 19122.

Almost surely, 2168797952 is an apocalyptic number.

168797952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168797952 is an abundant number, since it is smaller than the sum of its proper divisors (330387728).

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

168797952 is an equidigital number, since it uses as much as digits as its factorization.

168797952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446 (or 24426 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 168797952 is about 12992.2265990091. The cubic root of 168797952 is about 552.6570625585.

Subtracting 168797952 from its reverse (259797861), we obtain a palindrome (90999909).

The spelling of 168797952 in words is "one hundred sixty-eight million, seven hundred ninety-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 576 768 864 1152 1728 2304 3456 6912 24421 48842 73263 97684 146526 195368 219789 293052 390736 439578 586104 659367 781472 879156 1172208 1318734 1562944 1758312 2344416 2637468 3125888 3516624 4688832 5274936 6251776 7033248 9377664 10549872 14066496 18755328 21099744 28132992 42199488 56265984 84398976 168797952