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120255340 = 22510955163
BaseRepresentation
bin1110010101011…
…11001101101100
322101021121022111
413022233031230
5221241132330
615533253404
72660103442
oct712571554
9271247274
10120255340
1161976687
1234334264
131bbb620a
1411d84b92
15a85632a
hex72af36c

120255340 has 24 divisors (see below), whose sum is σ = 254857680. Its totient is φ = 47659968.

The previous prime is 120255323. The next prime is 120255341. The reversal of 120255340 is 43552021.

It is a super-2 number, since 2×1202553402 = 28922693597031200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120255341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25402 + ... + 29761.

It is an arithmetic number, because the mean of its divisors is an integer number (10619070).

Almost surely, 2120255340 is an apocalyptic number.

120255340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120255340 is an abundant number, since it is smaller than the sum of its proper divisors (134602340).

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

120255340 is a wasteful number, since it uses less digits than its factorization.

120255340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55281 (or 55279 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 120255340 is about 10966.0995800695. The cubic root of 120255340 is about 493.5920129050.

The spelling of 120255340 in words is "one hundred twenty million, two hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 55163 110326 220652 275815 551630 1103260 6012767 12025534 24051068 30063835 60127670 120255340