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135445030 = 25711231723
BaseRepresentation
bin10000001001010…
…11101000100110
3100102212022122121
420010223220212
5234133220110
621235020154
73233156320
oct1004535046
9312768577
10135445030
116a500946
123943a65a
13220a3cb6
1413dba610
15bd56cda
hex812ba26

135445030 has 32 divisors (see below), whose sum is σ = 279039744. Its totient is φ = 46370016.

The previous prime is 135445021. The next prime is 135445033. The reversal of 135445030 is 30544531.

It is a junction number, because it is equal to n+sod(n) for n = 135444986 and 135445004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135445033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77749 + ... + 79471.

It is an arithmetic number, because the mean of its divisors is an integer number (8719992).

Almost surely, 2135445030 is an apocalyptic number.

135445030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135445030 is an abundant number, since it is smaller than the sum of its proper divisors (143594714).

135445030 is a wasteful number, since it uses less digits than its factorization.

135445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135445030 is about 11638.0853236260. The cubic root of 135445030 is about 513.5558624601. Note that the first 3 decimals are identical.

Adding to 135445030 its reverse (30544531), we get a palindrome (165989561).

The spelling of 135445030 in words is "one hundred thirty-five million, four hundred forty-five thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1123 1723 2246 3446 5615 7861 8615 11230 12061 15722 17230 24122 39305 60305 78610 120610 1934929 3869858 9674645 13544503 19349290 27089006 67722515 135445030