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20193150 = 23521031307
BaseRepresentation
bin100110100000…
…1111101111110
31101222220210110
41031001331332
520132140100
62000450450
7333432105
oct115017576
941886713
1020193150
111044245a
126919a26
134250313
14297903c
151b8d250
hex1341f7e

20193150 has 48 divisors (see below), whose sum is σ = 50603904. Its totient is φ = 5328480.

The previous prime is 20193133. The next prime is 20193167. The reversal of 20193150 is 5139102.

It is an interprime number because it is at equal distance from previous prime (20193133) and next prime (20193167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14797 + ... + 16103.

It is an arithmetic number, because the mean of its divisors is an integer number (1054248).

Almost surely, 220193150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20193150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25301952).

20193150 is an abundant number, since it is smaller than the sum of its proper divisors (30410754).

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

20193150 is a wasteful number, since it uses less digits than its factorization.

20193150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 20193150 is about 4493.6788937351. The cubic root of 20193150 is about 272.3127799662.

The spelling of 20193150 in words is "twenty million, one hundred ninety-three thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 103 150 206 309 515 618 1030 1307 1545 2575 2614 3090 3921 5150 6535 7725 7842 13070 15450 19605 32675 39210 65350 98025 134621 196050 269242 403863 673105 807726 1346210 2019315 3365525 4038630 6731050 10096575 20193150