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1490670 = 23355521
BaseRepresentation
bin101101011111011101110
32210201211000
411223323232
5340200140
651541130
715445656
oct5537356
92721730
101490670
11928a65
125ba7a6
1340266c
142ab366
151e6a30
hex16beee

1490670 has 32 divisors (see below), whose sum is σ = 3975840. Its totient is φ = 397440.

The previous prime is 1490669. The next prime is 1490677. The reversal of 1490670 is 760941.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2491 + ... + 3030.

It is an arithmetic number, because the mean of its divisors is an integer number (124245).

21490670 is an apocalyptic number.

1490670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490670 is an abundant number, since it is smaller than the sum of its proper divisors (2485170).

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

1490670 is a wasteful number, since it uses less digits than its factorization.

1490670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1490670 is about 1220.9299734219. The cubic root of 1490670 is about 114.2335930486.

The spelling of 1490670 in words is "one million, four hundred ninety thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 5521 11042 16563 27605 33126 49689 55210 82815 99378 149067 165630 248445 298134 496890 745335 1490670