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136490620 = 22571757349
BaseRepresentation
bin10000010001010…
…10111001111100
3100111211102221011
420020222321330
5234420144440
621313245004
73245102560
oct1010527174
9314742834
10136490620
1170055472
1239863764
132237bba6
14141ad6a0
15beb19ea
hex822ae7c

136490620 has 48 divisors (see below), whose sum is σ = 346852800. Its totient is φ = 44043264.

The previous prime is 136490609. The next prime is 136490639. The reversal of 136490620 is 26094631.

It is a super-3 number, since 3×1364906203 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26295 + ... + 31054.

It is an arithmetic number, because the mean of its divisors is an integer number (7226100).

Almost surely, 2136490620 is an apocalyptic number.

136490620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136490620 is an abundant number, since it is smaller than the sum of its proper divisors (210362180).

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

136490620 is a wasteful number, since it uses less digits than its factorization.

136490620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57382 (or 57380 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 136490620 is about 11682.9200117094. The cubic root of 136490620 is about 514.8739692231.

The spelling of 136490620 in words is "one hundred thirty-six million, four hundred ninety thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 57349 114698 229396 286745 401443 573490 802886 974933 1146980 1605772 1949866 2007215 3899732 4014430 4874665 6824531 8028860 9749330 13649062 19498660 27298124 34122655 68245310 136490620