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168249480 = 23357200297
BaseRepresentation
bin10100000011101…
…00100010001000
3102201120221220020
422001310202020
5321032440410
624410100440
74112045160
oct1201644210
9381527806
10168249480
1186a77363
124841a720
1328b1b609
14184b95a0
15eb86a70
hexa074888

168249480 has 64 divisors (see below), whose sum is σ = 576858240. Its totient is φ = 38456832.

The previous prime is 168249479. The next prime is 168249491. The reversal of 168249480 is 84942861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99309 + ... + 100988.

It is an arithmetic number, because the mean of its divisors is an integer number (9013410).

Almost surely, 2168249480 is an apocalyptic number.

168249480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168249480 is an abundant number, since it is smaller than the sum of its proper divisors (408608760).

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

168249480 is a wasteful number, since it uses less digits than its factorization.

168249480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200318 (or 200314 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 168249480 is about 12971.1017265304. The cubic root of 168249480 is about 552.0578336800.

The spelling of 168249480 in words is "one hundred sixty-eight million, two hundred forty-nine thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 200297 400594 600891 801188 1001485 1201782 1402079 1602376 2002970 2403564 2804158 3004455 4005940 4206237 4807128 5608316 6008910 7010395 8011880 8412474 11216632 12017820 14020790 16824948 21031185 24035640 28041580 33649896 42062370 56083160 84124740 168249480