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136717230 = 235131721213
BaseRepresentation
bin10000010011000…
…10001110101110
3100112020221210010
420021202032232
5234444422410
621322154050
73250035336
oct1011421656
9315227703
10136717230
117019a751
1239952926
132242b090
141422c0c6
15c008c20
hex82623ae

136717230 has 96 divisors (see below), whose sum is σ = 375679584. Its totient is φ = 31647744.

The previous prime is 136717211. The next prime is 136717237. The reversal of 136717230 is 32717631.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136717237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112104 + ... + 113316.

It is an arithmetic number, because the mean of its divisors is an integer number (3913329).

Almost surely, 2136717230 is an apocalyptic number.

136717230 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 136717230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187839792).

136717230 is an abundant number, since it is smaller than the sum of its proper divisors (238962354).

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

136717230 is a wasteful number, since it uses less digits than its factorization.

136717230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 136717230 is about 11692.6143355539. The cubic root of 136717230 is about 515.1587533326.

The spelling of 136717230 in words is "one hundred thirty-six million, seven hundred seventeen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 17 26 30 34 39 51 65 78 85 102 130 170 195 221 255 289 390 442 510 578 663 867 1105 1213 1326 1445 1734 2210 2426 2890 3315 3639 3757 4335 6065 6630 7278 7514 8670 11271 12130 15769 18195 18785 20621 22542 31538 36390 37570 41242 47307 56355 61863 78845 94614 103105 112710 123726 157690 206210 236535 268073 309315 350557 473070 536146 618630 701114 804219 1051671 1340365 1608438 1752785 2103342 2680730 3505570 4021095 4557241 5258355 8042190 9114482 10516710 13671723 22786205 27343446 45572410 68358615 136717230