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120070180 = 22537162257
BaseRepresentation
bin1110010100000…
…10000000100100
322100221012022201
413022002000210
5221214221210
615525304244
72655402556
oct712020044
9270835281
10120070180
116185a55a
1234265084
131bb4cb59
1411d374d6
15a81b53a
hex7282024

120070180 has 24 divisors (see below), whose sum is σ = 258963768. Its totient is φ = 46729728.

The previous prime is 120070163. The next prime is 120070193. The reversal of 120070180 is 81070021.

It can be written as a sum of positive squares in 4 ways, for example, as 7540516 + 112529664 = 2746^2 + 10608^2 .

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, 80389 + ... + 81868.

It is an arithmetic number, because the mean of its divisors is an integer number (10790157).

Almost surely, 2120070180 is an apocalyptic number.

120070180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120070180 is an abundant number, since it is smaller than the sum of its proper divisors (138893588).

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

120070180 is a wasteful number, since it uses less digits than its factorization.

120070180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162303 (or 162301 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 120070180 is about 10957.6539459868. The cubic root of 120070180 is about 493.3385509959.

The spelling of 120070180 in words is "one hundred twenty million, seventy thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 162257 324514 649028 811285 1622570 3245140 6003509 12007018 24014036 30017545 60035090 120070180