Search a number
-
+
153427640 = 2353835691
BaseRepresentation
bin10010010010100…
…01111010111000
3101200200221011012
421021101322320
5303234141030
623120253052
73542053622
oct1111217270
9350627135
10153427640
1179673503
1243471188
1325a2c0b2
141653bc12
15d70a095
hex9251eb8

153427640 has 16 divisors (see below), whose sum is σ = 345212280. Its totient is φ = 61371040.

The previous prime is 153427609. The next prime is 153427657. The reversal of 153427640 is 46724351.

It is a junction number, because it is equal to n+sod(n) for n = 153427597 and 153427606.

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 3 ways as a sum of consecutive naturals, for example, 1917806 + ... + 1917885.

Almost surely, 2153427640 is an apocalyptic number.

153427640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153427640 is an abundant number, since it is smaller than the sum of its proper divisors (191784640).

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

153427640 is a wasteful number, since it uses less digits than its factorization.

153427640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835702 (or 3835698 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 153427640 is about 12386.5911371935. The cubic root of 153427640 is about 535.3459665782.

The spelling of 153427640 in words is "one hundred fifty-three million, four hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3835691 7671382 15342764 19178455 30685528 38356910 76713820 153427640