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136612020 = 22352276867
BaseRepresentation
bin10000010010010…
…00100010110100
3100112001121110110
420021020202310
5234433041040
621320023020
73246116526
oct1011104264
9315047413
10136612020
11701286a6
1239901a70
13223c221c
1414201a16
15bed7980
hex82488b4

136612020 has 24 divisors (see below), whose sum is σ = 382513824. Its totient is φ = 36429856.

The previous prime is 136612013. The next prime is 136612031. The reversal of 136612020 is 20216631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138374 + ... + 1138493.

It is an arithmetic number, because the mean of its divisors is an integer number (15938076).

Almost surely, 2136612020 is an apocalyptic number.

136612020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136612020 is an abundant number, since it is smaller than the sum of its proper divisors (245901804).

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

136612020 is a wasteful number, since it uses less digits than its factorization.

136612020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276879 (or 2276877 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 136612020 is about 11688.1144758254. The cubic root of 136612020 is about 515.0265735495.

Adding to 136612020 its reverse (20216631), we get a palindrome (156828651).

The spelling of 136612020 in words is "one hundred thirty-six million, six hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2276867 4553734 6830601 9107468 11384335 13661202 22768670 27322404 34153005 45537340 68306010 136612020