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377981064 = 23329754121
BaseRepresentation
bin10110100001111…
…000100010001000
3222100020102112200
4112201320202020
51233230343224
6101301240200
712236533416
oct2641704210
9870212480
10377981064
111843a684a
12a6703060
1360402246
14382b22b6
15232b45c9
hex16878888

377981064 has 48 divisors (see below), whose sum is σ = 1034271420. Its totient is φ = 124692480.

The previous prime is 377981063. The next prime is 377981101. The reversal of 377981064 is 460189773.

It can be written as a sum of positive squares in 2 ways, for example, as 316484100 + 61496964 = 17790^2 + 7842^2 .

It is not an unprimeable number, because it can be changed into a prime (377981063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20077 + ... + 34044.

Almost surely, 2377981064 is an apocalyptic number.

It is an amenable number.

377981064 is an abundant number, since it is smaller than the sum of its proper divisors (656290356).

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

377981064 is a wasteful number, since it uses less digits than its factorization.

377981064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54230 (or 54223 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 377981064 is about 19441.7351077521. The cubic root of 377981064 is about 723.0306053859.

The spelling of 377981064 in words is "three hundred seventy-seven million, nine hundred eighty-one thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 97 194 291 388 582 776 873 1164 1746 2328 3492 6984 54121 108242 162363 216484 324726 432968 487089 649452 974178 1298904 1948356 3896712 5249737 10499474 15749211 20998948 31498422 41997896 47247633 62996844 94495266 125993688 188990532 377981064