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168341472 = 25321344963
BaseRepresentation
bin10100000100010…
…10111111100000
3102201202122002100
422002022333200
5321043411342
624412050400
74112610315
oct1202127740
9381678070
10168341472
118702a492
1248463a00
1328b51450
1418500d0c
15eba3e4c
hexa08afe0

168341472 has 72 divisors (see below), whose sum is σ = 515557224. Its totient is φ = 51796224.

The previous prime is 168341471. The next prime is 168341473. The reversal of 168341472 is 274143861.

It is an interprime number because it is at equal distance from previous prime (168341471) and next prime (168341473).

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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168341471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18738 + ... + 26225.

It is an arithmetic number, because the mean of its divisors is an integer number (7160517).

Almost surely, 2168341472 is an apocalyptic number.

168341472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168341472 is an abundant number, since it is smaller than the sum of its proper divisors (347215752).

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

168341472 is a wasteful number, since it uses less digits than its factorization.

168341472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44992 (or 44981 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 168341472 is about 12974.6472784427. The cubic root of 168341472 is about 552.1584296350.

The spelling of 168341472 in words is "one hundred sixty-eight million, three hundred forty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 44963 89926 134889 179852 269778 359704 404667 539556 584519 719408 809334 1079112 1169038 1438816 1618668 1753557 2158224 2338076 3237336 3507114 4316448 4676152 5260671 6474672 7014228 9352304 10521342 12949344 14028456 18704608 21042684 28056912 42085368 56113824 84170736 168341472