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377988 = 223132423
BaseRepresentation
bin1011100010010000100
3201012111120
41130102010
544043423
612033540
73133002
oct1342204
9635446
10377988
11238a96
121628b0
13103080
149ba72
1576ee3
hex5c484

377988 has 24 divisors (see below), whose sum is σ = 950208. Its totient is φ = 116256.

The previous prime is 377981. The next prime is 377999. The reversal of 377988 is 889773.

It is not an unprimeable number, because it can be changed into a prime (377981) by changing a digit.

377988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (39592).

2377988 is an apocalyptic number.

It is an amenable number.

377988 is an abundant number, since it is smaller than the sum of its proper divisors (572220).

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

377988 is a wasteful number, since it uses less digits than its factorization.

377988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2441 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 377988 is about 614.8072868794. The cubic root of 377988 is about 72.3035027926.

The spelling of 377988 in words is "three hundred seventy-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2423 4846 7269 9692 14538 29076 31499 62998 94497 125996 188994 377988