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473139228 = 223973111307
BaseRepresentation
bin11100001100111…
…000100000011100
31012222021222000010
4130030320200130
51432110423403
6114541003220
714503421442
oct3414704034
91188258003
10473139228
11223090561
12112553510
137703bc53
1446ba2b92
152b80e603
hex1c33881c

473139228 has 48 divisors (see below), whose sum is σ = 1119815424. Its totient is φ = 155466240.

The previous prime is 473139209. The next prime is 473139229. The reversal of 473139228 is 822931374.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473139229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361351 + ... + 362657.

It is an arithmetic number, because the mean of its divisors is an integer number (23329488).

Almost surely, 2473139228 is an apocalyptic number.

It is an amenable number.

473139228 is an abundant number, since it is smaller than the sum of its proper divisors (646676196).

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

473139228 is a wasteful number, since it uses less digits than its factorization.

473139228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 473139228 is about 21751.7637905527. The cubic root of 473139228 is about 779.2251937900.

The spelling of 473139228 in words is "four hundred seventy-three million, one hundred thirty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 97 194 291 311 388 582 622 933 1164 1244 1307 1866 2614 3732 3921 5228 7842 15684 30167 60334 90501 120668 126779 181002 253558 362004 380337 406477 507116 760674 812954 1219431 1521348 1625908 2438862 4877724 39428269 78856538 118284807 157713076 236569614 473139228