Search a number
-
+
153805272 = 2336408553
BaseRepresentation
bin10010010101011…
…10000111011000
3101201102010011120
421022232013120
5303333232042
623132325240
73545215605
oct1112560730
9351363146
10153805272
11799011a5
1243613820
1325b31c4a
14165d96ac
15d781dec
hex92ae1d8

153805272 has 16 divisors (see below), whose sum is σ = 384513240. Its totient is φ = 51268416.

The previous prime is 153805243. The next prime is 153805279. The reversal of 153805272 is 272508351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153805279) by changing a digit.

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, 3204253 + ... + 3204300.

Almost surely, 2153805272 is an apocalyptic number.

153805272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

153805272 is an abundant number, since it is smaller than the sum of its proper divisors (230707968).

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

153805272 is a wasteful number, since it uses less digits than its factorization.

153805272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408562 (or 6408558 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 153805272 is about 12401.8253495201. The cubic root of 153805272 is about 535.7848230370.

The spelling of 153805272 in words is "one hundred fifty-three million, eight hundred five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 6408553 12817106 19225659 25634212 38451318 51268424 76902636 153805272