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135020230 = 2529465587
BaseRepresentation
bin10000000110000…
…11111011000110
3100102001201221021
420003003323012
5234031121410
621221541354
73226436662
oct1003037306
9312051837
10135020230
116a240774
123927485a
1321c85837
1413d098a2
15bcc0eda
hex80c3ec6

135020230 has 16 divisors (see below), whose sum is σ = 251417520. Its totient is φ = 52145632.

The previous prime is 135020183. The next prime is 135020233. The reversal of 135020230 is 32020531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135020233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232504 + ... + 233083.

It is an arithmetic number, because the mean of its divisors is an integer number (15713595).

Almost surely, 2135020230 is an apocalyptic number.

135020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135020230 is a deficient number, since it is larger than the sum of its proper divisors (116397290).

135020230 is a wasteful number, since it uses less digits than its factorization.

135020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465623.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 135020230 is about 11619.8205666008. The cubic root of 135020230 is about 513.0184070294.

Adding to 135020230 its reverse (32020531), we get a palindrome (167040761).

The spelling of 135020230 in words is "one hundred thirty-five million, twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 465587 931174 2327935 4655870 13502023 27004046 67510115 135020230