Search a number
-
+
136209948 = 22374734501
BaseRepresentation
bin10000001111001…
…10011000011100
3100111022011220220
420013212120130
5234332204243
621303241340
73242523360
oct1007463034
9314264826
10136209948
116a983606
1239749250
13222b1204
14141392a0
15be58783
hex81e661c

136209948 has 48 divisors (see below), whose sum is σ = 370965504. Its totient is φ = 38088000.

The previous prime is 136209907. The next prime is 136209949. The reversal of 136209948 is 849902631.

136209948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136209949) 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, 13303 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (7728448).

Almost surely, 2136209948 is an apocalyptic number.

It is an amenable number.

136209948 is an abundant number, since it is smaller than the sum of its proper divisors (234755556).

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

136209948 is a wasteful number, since it uses less digits than its factorization.

136209948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34562 (or 34560 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 136209948 is about 11670.9017646453. The cubic root of 136209948 is about 514.5208072874.

The spelling of 136209948 in words is "one hundred thirty-six million, two hundred nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 34501 69002 103503 138004 207006 241507 414012 483014 724521 966028 1449042 1621547 2898084 3243094 4864641 6486188 9729282 11350829 19458564 22701658 34052487 45403316 68104974 136209948