Search a number
-
+
153414921 = 3114648937
BaseRepresentation
bin10010010010011…
…10110100001001
3101200200021201010
421021032310021
5303233234141
623120114133
73542001552
oct1111166411
9350607633
10153414921
11796649a0
1243465949
1325a2637a
1416537329
15d706416
hex924ed09

153414921 has 8 divisors (see below), whose sum is σ = 223149024. Its totient is φ = 92978720.

The previous prime is 153414917. The next prime is 153414923. The reversal of 153414921 is 129414351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 153414921 - 22 = 153414917 is a prime.

It is a super-2 number, since 2×1534149212 = 47072275970872482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153414923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324436 + ... + 2324501.

It is an arithmetic number, because the mean of its divisors is an integer number (27893628).

Almost surely, 2153414921 is an apocalyptic number.

153414921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153414921 is a deficient number, since it is larger than the sum of its proper divisors (69734103).

153414921 is a wasteful number, since it uses less digits than its factorization.

153414921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648951.

The product of its digits is 4320, while the sum is 30.

The square root of 153414921 is about 12386.0777084596. The cubic root of 153414921 is about 535.3311729519.

The spelling of 153414921 in words is "one hundred fifty-three million, four hundred fourteen thousand, nine hundred twenty-one".

Divisors: 1 3 11 33 4648937 13946811 51138307 153414921