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193147120 = 24559151271
BaseRepresentation
bin10111000001100…
…11000011110000
3111110102220001001
423200303003300
5343421201440
631055451344
74533503065
oct1340630360
9443386031
10193147120
119a032321
1254826b54
133102804a
141b91ac6c
1511e53b9a
hexb8330f0

193147120 has 80 divisors (see below), whose sum is σ = 461399040. Its totient is φ = 75168000.

The previous prime is 193147109. The next prime is 193147147. The reversal of 193147120 is 21741391.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 712585 + ... + 712855.

It is an arithmetic number, because the mean of its divisors is an integer number (5767488).

Almost surely, 2193147120 is an apocalyptic number.

193147120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193147120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230699520).

193147120 is an abundant number, since it is smaller than the sum of its proper divisors (268251920).

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

193147120 is a wasteful number, since it uses less digits than its factorization.

193147120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 193147120 is about 13897.7379454356. The cubic root of 193147120 is about 578.0464596300.

The spelling of 193147120 in words is "one hundred ninety-three million, one hundred forty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 151 236 271 295 302 472 542 590 604 755 944 1084 1180 1208 1355 1510 2168 2360 2416 2710 3020 4336 4720 5420 6040 8909 10840 12080 15989 17818 21680 31978 35636 40921 44545 63956 71272 79945 81842 89090 127912 142544 159890 163684 178180 204605 255824 319780 327368 356360 409210 639560 654736 712720 818420 1279120 1636840 2414339 3273680 4828678 9657356 12071695 19314712 24143390 38629424 48286780 96573560 193147120