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242153120 = 25511137587
BaseRepresentation
bin11100110111011…
…11011010100000
3121212122122122002
432123233122200
5443442344440
640010103132
76000160526
oct1633573240
9555578562
10242153120
11114764250
126911aaa8
133b225b91
1424236316
15163d4115
hexe6ef6a0

242153120 has 48 divisors (see below), whose sum is σ = 624099168. Its totient is φ = 88055040.

The previous prime is 242153101. The next prime is 242153137. The reversal of 242153120 is 21351242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 242153092 and 242153101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67034 + ... + 70553.

It is an arithmetic number, because the mean of its divisors is an integer number (13002066).

Almost surely, 2242153120 is an apocalyptic number.

242153120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242153120 is an abundant number, since it is smaller than the sum of its proper divisors (381946048).

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

242153120 is a wasteful number, since it uses less digits than its factorization.

242153120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137613 (or 137605 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 242153120 is about 15561.2698710613. The cubic root of 242153120 is about 623.2993725163.

The spelling of 242153120 in words is "two hundred forty-two million, one hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 137587 275174 550348 687935 1100696 1375870 1513457 2201392 2751740 3026914 4402784 5503480 6053828 7567285 11006960 12107656 15134570 22013920 24215312 30269140 48430624 60538280 121076560 242153120