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168125250 = 2353972311
BaseRepresentation
bin10100000010101…
…10001101000010
3102201100122111010
422001112031002
5321020002000
624403301350
74111020036
oct1201261502
9381318433
10168125250
11869a1a97
124837a856
1328aa6bc7
14184861c6
15eb5ed50
hexa056342

168125250 has 64 divisors (see below), whose sum is σ = 424150272. Its totient is φ = 44352000.

The previous prime is 168125233. The next prime is 168125263. The reversal of 168125250 is 52521861.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71595 + ... + 73905.

It is an arithmetic number, because the mean of its divisors is an integer number (6627348).

Almost surely, 2168125250 is an apocalyptic number.

168125250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168125250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212075136).

168125250 is an abundant number, since it is smaller than the sum of its proper divisors (256025022).

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

168125250 is a wasteful number, since it uses less digits than its factorization.

168125250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 168125250 is about 12966.3121202599. The cubic root of 168125250 is about 551.9219263135.

The spelling of 168125250 in words is "one hundred sixty-eight million, one hundred twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 97 125 150 194 250 291 375 485 582 750 970 1455 2311 2425 2910 4622 4850 6933 7275 11555 12125 13866 14550 23110 24250 34665 36375 57775 69330 72750 115550 173325 224167 288875 346650 448334 577750 672501 866625 1120835 1345002 1733250 2241670 3362505 5604175 6725010 11208350 16812525 28020875 33625050 56041750 84062625 168125250