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153030450 = 235241149167
BaseRepresentation
bin10010001111100…
…00111100110010
3101122221202022110
421013300330302
5303133433300
623103550150
73535510626
oct1107607462
9348852273
10153030450
1179422051
12432bb356
1325920381
1416477186
15d67c550
hex91f0f32

153030450 has 96 divisors (see below), whose sum is σ = 393724800. Its totient is φ = 39308800.

The previous prime is 153030407. The next prime is 153030463. The reversal of 153030450 is 54030351.

153030450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 916267 + ... + 916433.

It is an arithmetic number, because the mean of its divisors is an integer number (4101300).

Almost surely, 2153030450 is an apocalyptic number.

153030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153030450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196862400).

153030450 is an abundant number, since it is smaller than the sum of its proper divisors (240694350).

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

153030450 is a wasteful number, since it uses less digits than its factorization.

153030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 153030450 is about 12370.5476839144. The cubic root of 153030450 is about 534.8836035250.

Subtracting from 153030450 its reverse (54030351), we obtain a palindrome (99000099).

The spelling of 153030450 in words is "one hundred fifty-three million, thirty thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 149 150 167 205 246 298 334 410 447 501 615 745 835 894 1002 1025 1230 1490 1670 2050 2235 2505 3075 3725 4175 4470 5010 6109 6150 6847 7450 8350 11175 12218 12525 13694 18327 20541 22350 24883 25050 30545 34235 36654 41082 49766 61090 68470 74649 91635 102705 124415 149298 152725 171175 183270 205410 248830 305450 342350 373245 458175 513525 622075 746490 916350 1020203 1027050 1244150 1866225 2040406 3060609 3732450 5101015 6121218 10202030 15303045 25505075 30606090 51010150 76515225 153030450