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136604620 = 22541612731
BaseRepresentation
bin10000010010001…
…10101111001100
3100112001020022101
420021012233030
5234432321440
621315524444
73246056125
oct1011065714
9315036271
10136604620
1170123089
12398b9724
13223bba49
14141dd04c
15bed569a
hex8246bcc

136604620 has 48 divisors (see below), whose sum is σ = 298793376. Its totient is φ = 52416000.

The previous prime is 136604597. The next prime is 136604627. The reversal of 136604620 is 26406631.

It is not an unprimeable number, because it can be changed into a prime (136604627) 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, 48655 + ... + 51385.

It is an arithmetic number, because the mean of its divisors is an integer number (6224862).

Almost surely, 2136604620 is an apocalyptic number.

136604620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136604620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149396688).

136604620 is an abundant number, since it is smaller than the sum of its proper divisors (162188756).

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

136604620 is a wasteful number, since it uses less digits than its factorization.

136604620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 136604620 is about 11687.7979106417. The cubic root of 136604620 is about 515.0172740616.

The spelling of 136604620 in words is "one hundred thirty-six million, six hundred four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 61 82 122 164 205 244 305 410 610 820 1220 2501 2731 5002 5462 10004 10924 12505 13655 25010 27310 50020 54620 111971 166591 223942 333182 447884 559855 666364 832955 1119710 1665910 2239420 3331820 6830231 13660462 27320924 34151155 68302310 136604620