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BaseRepresentation
bin100001010001110101000
32001101211212
410022032220
5234343342
635212252
712161135
oct4121650
92041755
101090472
11685319
12447088
132c2466
1420558c
15168182
hex10a3a8

1090472 has 8 divisors (see below), whose sum is σ = 2044650. Its totient is φ = 545232.

The previous prime is 1090471. The next prime is 1090483. The reversal of 1090472 is 2740901.

It can be written as a sum of positive squares in only one way, i.e., 1069156 + 21316 = 1034^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1090471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68147 + ... + 68162.

21090472 is an apocalyptic number.

It is an amenable number.

1090472 is a deficient number, since it is larger than the sum of its proper divisors (954178).

1090472 is a wasteful number, since it uses less digits than its factorization.

1090472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136315 (or 136311 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1090472 is about 1044.2566734285. The cubic root of 1090472 is about 102.9290994139.

The spelling of 1090472 in words is "one million, ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 8 136309 272618 545236 1090472