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1490804 = 227371439
BaseRepresentation
bin101101011111101110100
32210201222222
411223331310
5340201204
651541512
715446240
oct5537564
92721888
101490804
11929077
125ba898
13402743
142ab420
151e6abe
hex16bf74

1490804 has 24 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 621216.

The previous prime is 1490789. The next prime is 1490807. The reversal of 1490804 is 4080941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

21490804 is an apocalyptic number.

1490804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1490804 is an abundant number, since it is smaller than the sum of its proper divisors (1573516).

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

1490804 is a wasteful number, since it uses less digits than its factorization.

1490804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1490804 is about 1220.9848483908. The cubic root of 1490804 is about 114.2370158591.

The spelling of 1490804 in words is "one million, four hundred ninety thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 1439 2878 5756 10073 20146 40292 53243 106486 212972 372701 745402 1490804