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4473972 = 2232124277
BaseRepresentation
bin10001000100010001110100
322102022010200
4101010101310
52121131342
6235520500
753012436
oct21042164
98368120
104473972
1125863a8
1215b9130
13c08529
14846656
155d594c
hex444474

4473972 has 18 divisors (see below), whose sum is σ = 11309298. Its totient is φ = 1491312.

The previous prime is 4473971. The next prime is 4474027. The reversal of 4473972 is 2793744.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 992016 = 1866^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 124277 = 4473972 / (4 + 4 + 7 + 3 + 9 + 7 + 2).

It is a d-powerful number, because it can be written as 49 + 411 + 73 + 33 + 94 + 74 + 213 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4473971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62103 + ... + 62174.

Almost surely, 24473972 is an apocalyptic number.

It is an amenable number.

4473972 is an abundant number, since it is smaller than the sum of its proper divisors (6835326).

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

4473972 is a wasteful number, since it uses less digits than its factorization.

4473972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124287 (or 124282 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4473972 is about 2115.1765883727. The cubic root of 4473972 is about 164.7774409847. Note that the first 3 decimals are identical.

It can be divided in two parts, 4473 and 972, that added together give a palindrome (5445).

The spelling of 4473972 in words is "four million, four hundred seventy-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 124277 248554 372831 497108 745662 1118493 1491324 2236986 4473972