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193284130 = 251329167307
BaseRepresentation
bin10111000010101…
…00100000100010
3111110200211222111
423201110200202
5343440043010
631102425534
74534613404
oct1341244042
9443624874
10193284130
119a116256
12548922aa
1331075510
141b954b74
1511e7e58a
hexb854822

193284130 has 64 divisors (see below), whose sum is σ = 391184640. Its totient is φ = 68269824.

The previous prime is 193284109. The next prime is 193284139. The reversal of 193284130 is 31482391.

It is a junction number, because it is equal to n+sod(n) for n = 193284092 and 193284101.

It is not an unprimeable number, because it can be changed into a prime (193284139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629437 + ... + 629743.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2193284130 is an apocalyptic number.

193284130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193284130 is an abundant number, since it is smaller than the sum of its proper divisors (197900510).

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

193284130 is a wasteful number, since it uses less digits than its factorization.

193284130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 193284130 is about 13902.6662910393. Note that the first 3 decimals coincide. The cubic root of 193284130 is about 578.1831074976.

The spelling of 193284130 in words is "one hundred ninety-three million, two hundred eighty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 167 290 307 334 377 614 754 835 1535 1670 1885 2171 3070 3770 3991 4342 4843 7982 8903 9686 10855 17806 19955 21710 24215 39910 44515 48430 51269 62959 89030 102538 115739 125918 231478 256345 314795 512690 578695 629590 666497 1157390 1332994 1486801 2973602 3332485 6664970 7434005 14868010 19328413 38656826 96642065 193284130