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1906484 = 22541881
BaseRepresentation
bin111010001011100110100
310120212012112
413101130310
5442001414
6104510152
722130156
oct7213464
93525175
101906484
111092408
1277b358
135199c8
14378ad6
15279d3e
hex1d1734

1906484 has 12 divisors (see below), whose sum is σ = 3346308. Its totient is φ = 950400.

The previous prime is 1906481. The next prime is 1906511. The reversal of 1906484 is 4846091.

It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 1373584 = 730^2 + 1172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1906484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906481) 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 3 ways as a sum of consecutive naturals, for example, 1724 + ... + 2604.

It is an arithmetic number, because the mean of its divisors is an integer number (278859).

21906484 is an apocalyptic number.

It is an amenable number.

1906484 is a deficient number, since it is larger than the sum of its proper divisors (1439824).

1906484 is a wasteful number, since it uses less digits than its factorization.

1906484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1906484 is about 1380.7548660063. The cubic root of 1906484 is about 123.9969648928.

The spelling of 1906484 in words is "one million, nine hundred six thousand, four hundred eighty-four".

Divisors: 1 2 4 541 881 1082 1762 2164 3524 476621 953242 1906484