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153133749 = 32193072917
BaseRepresentation
bin10010010000010…
…10001010110101
3101200011000000100
421020022022311
5303200234444
623110104313
73536421036
oct1110121265
9350130010
10153133749
117949271a
124334b099
13259583b2
14164a2a8d
15d69ce69
hex920a2b5

153133749 has 24 divisors (see below), whose sum is σ = 233673440. Its totient is φ = 96367968.

The previous prime is 153133703. The next prime is 153133759. The reversal of 153133749 is 947331351.

It is not a de Polignac number, because 153133749 - 219 = 152609461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153133759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51039 + ... + 53955.

Almost surely, 2153133749 is an apocalyptic number.

153133749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

153133749 is a deficient number, since it is larger than the sum of its proper divisors (80539691).

153133749 is a wasteful number, since it uses less digits than its factorization.

153133749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3246 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 153133749 is about 12374.7221786996. The cubic root of 153133749 is about 535.0039292808.

The spelling of 153133749 in words is "one hundred fifty-three million, one hundred thirty-three thousand, seven hundred forty-nine".

Divisors: 1 3 9 19 57 171 307 921 2763 2917 5833 8751 17499 26253 52497 55423 166269 498807 895519 2686557 8059671 17014861 51044583 153133749