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135354990 = 23531145543
BaseRepresentation
bin10000001000101…
…01101001101110
3100102200202010210
420010111221232
5234122324430
621233043250
73232332651
oct1004255156
9312622123
10135354990
116a44a231
12393b6526
1322072014
1413d95898
15bd3a2b0
hex8115a6e

135354990 has 32 divisors (see below), whose sum is σ = 335333376. Its totient is φ = 34930080.

The previous prime is 135354889. The next prime is 135354997. The reversal of 135354990 is 99453531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135354997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71842 + ... + 73701.

It is an arithmetic number, because the mean of its divisors is an integer number (10479168).

Almost surely, 2135354990 is an apocalyptic number.

135354990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135354990 is an abundant number, since it is smaller than the sum of its proper divisors (199978386).

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

135354990 is a wasteful number, since it uses less digits than its factorization.

135354990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145584.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 135354990 is about 11634.2163466217. The cubic root of 135354990 is about 513.4420381283.

The spelling of 135354990 in words is "one hundred thirty-five million, three hundred fifty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 145543 291086 436629 727715 873258 1455430 2183145 4366290 4511833 9023666 13535499 22559165 27070998 45118330 67677495 135354990