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120200380 = 22535916741
BaseRepresentation
bin1110010101000…
…01110010111100
322101011210220221
413022201302330
5221232403010
615532151124
72656454266
oct712416274
9271153827
10120200380
1161939363
12343084a4
131bb971b1
1411d6cb36
15a844dda
hex72a1cbc

120200380 has 24 divisors (see below), whose sum is σ = 253139040. Its totient is φ = 47943360.

The previous prime is 120200371. The next prime is 120200393. The reversal of 120200380 is 83002021.

It is a happy number.

It is a congruent number.

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, 1191 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (10547460).

Almost surely, 2120200380 is an apocalyptic number.

120200380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200380 is an abundant number, since it is smaller than the sum of its proper divisors (132938660).

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

120200380 is a wasteful number, since it uses less digits than its factorization.

120200380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17109 (or 17107 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120200380 is about 10963.5933890308. The cubic root of 120200380 is about 493.5168064019.

The spelling of 120200380 in words is "one hundred twenty million, two hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 16741 33482 66964 83705 167410 334820 6010019 12020038 24040076 30050095 60100190 120200380