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1338227975 = 52722347497
BaseRepresentation
bin100111111000011…
…1011110100000111
310110021010000200002
41033300323310013
510220041243400
6340442511515
745106515200
oct11760736407
93407100602
101338227975
11627438537
1231420559b
13184331096
14c9a325a7
157c741ed5
hex4fc3bd07

1338227975 has 36 divisors (see below), whose sum is σ = 2014295184. Its totient is φ = 877726080.

The previous prime is 1338227963. The next prime is 1338227977. The reversal of 1338227975 is 5797228331.

It is not a de Polignac number, because 1338227975 - 218 = 1337965831 is a prime.

It is a super-2 number, since 2×13382279752 = 3581708226145201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338227977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4427 + ... + 51923.

It is an arithmetic number, because the mean of its divisors is an integer number (55952644).

Almost surely, 21338227975 is an apocalyptic number.

1338227975 is a deficient number, since it is larger than the sum of its proper divisors (676067209).

1338227975 is a wasteful number, since it uses less digits than its factorization.

1338227975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47544 (or 47532 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 1338227975 is about 36581.7984112318. The cubic root of 1338227975 is about 1101.9875841676.

The spelling of 1338227975 in words is "one billion, three hundred thirty-eight million, two hundred twenty-seven thousand, nine hundred seventy-five".

Divisors: 1 5 7 23 25 35 49 115 161 175 245 575 805 1127 1225 4025 5635 28175 47497 237485 332479 1092431 1187425 1662395 2327353 5462155 7647017 8311975 11636765 27310775 38235085 53529119 58183825 191175425 267645595 1338227975