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120311052 = 22319750893
BaseRepresentation
bin1110010101111…
…00110100001100
322101101102201220
413022330310030
5221244423202
615534403340
72660425041
oct712746414
9271342656
10120311052
1161a04524
1234360550
131bc05694
1411d9b1c8
15a867abc
hex72bcd0c

120311052 has 24 divisors (see below), whose sum is σ = 282156336. Its totient is φ = 39899328.

The previous prime is 120311047. The next prime is 120311063. The reversal of 120311052 is 250113021.

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, 23083 + ... + 27810.

It is an arithmetic number, because the mean of its divisors is an integer number (11756514).

Almost surely, 2120311052 is an apocalyptic number.

120311052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120311052 is an abundant number, since it is smaller than the sum of its proper divisors (161845284).

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

120311052 is a wasteful number, since it uses less digits than its factorization.

120311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51097 (or 51095 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 120311052 is about 10968.6394780757. The cubic root of 120311052 is about 493.6682250514.

Adding to 120311052 its reverse (250113021), we get a palindrome (370424073).

The spelling of 120311052 in words is "one hundred twenty million, three hundred eleven thousand, fifty-two".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 50893 101786 152679 203572 305358 610716 10025921 20051842 30077763 40103684 60155526 120311052