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120153060 = 223253718041
BaseRepresentation
bin1110010100101…
…10001111100100
322101002102000100
413022112033210
5221224344220
615531144100
72656166316
oct712261744
9271072010
10120153060
1161906855
12342a5030
131bb7b7b1
1411d597b6
15a835d90
hex72963e4

120153060 has 72 divisors (see below), whose sum is σ = 374335416. Its totient is φ = 31173120.

The previous prime is 120152987. The next prime is 120153079. The reversal of 120153060 is 60351021.

It can be written as a sum of positive squares in 4 ways, for example, as 7750656 + 112402404 = 2784^2 + 10602^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2361 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (5199103).

Almost surely, 2120153060 is an apocalyptic number.

120153060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120153060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187167708).

120153060 is an abundant number, since it is smaller than the sum of its proper divisors (254182356).

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

120153060 is a wasteful number, since it uses less digits than its factorization.

120153060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093 (or 18088 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120153060 is about 10961.4351250190. The cubic root of 120153060 is about 493.4520360008.

The spelling of 120153060 in words is "one hundred twenty million, one hundred fifty-three thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 333 370 444 555 666 740 1110 1332 1665 2220 3330 6660 18041 36082 54123 72164 90205 108246 162369 180410 216492 270615 324738 360820 541230 649476 667517 811845 1082460 1335034 1623690 2002551 2670068 3247380 3337585 4005102 6007653 6675170 8010204 10012755 12015306 13350340 20025510 24030612 30038265 40051020 60076530 120153060