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125445044 = 2231361261
BaseRepresentation
bin1110111101000…
…10001110110100
322202001021020202
413132202032310
5224103220134
620240420032
73052156664
oct736421664
9282037222
10125445044
11648a079a
1236017618
131ccb244a
14129361a4
15b02dd7e
hex77a23b4

125445044 has 6 divisors (see below), whose sum is σ = 219528834. Its totient is φ = 62722520.

The previous prime is 125445043. The next prime is 125445071. The reversal of 125445044 is 440544521.

It can be written as a sum of positive squares in only one way, i.e., 120736144 + 4708900 = 10988^2 + 2170^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125444998 and 125445016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125445043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15680627 + ... + 15680634.

It is an arithmetic number, because the mean of its divisors is an integer number (36588139).

Almost surely, 2125445044 is an apocalyptic number.

It is an amenable number.

125445044 is a deficient number, since it is larger than the sum of its proper divisors (94083790).

125445044 is a wasteful number, since it uses less digits than its factorization.

125445044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31361265 (or 31361263 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 125445044 is about 11200.2251763078. The cubic root of 125445044 is about 500.5926891615.

Adding to 125445044 its reverse (440544521), we get a palindrome (565989565).

The spelling of 125445044 in words is "one hundred twenty-five million, four hundred forty-five thousand, forty-four".

Divisors: 1 2 4 31361261 62722522 125445044