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1049420 = 225137383
BaseRepresentation
bin100000000001101001100
31222022112102
410000031030
5232040140
634254232
711630351
oct4001514
91868472
101049420
11657499
12427378
132a9878
141d4628
1515ae15
hex10034c

1049420 has 24 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 415616.

The previous prime is 1049413. The next prime is 1049429. The reversal of 1049420 is 249401.

It is a super-2 number, since 2×10494202 = 2202564672800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1049392 and 1049401.

It is not an unprimeable number, because it can be changed into a prime (1049429) 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, 2549 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (92736).

21049420 is an apocalyptic number.

1049420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049420 is an abundant number, since it is smaller than the sum of its proper divisors (1176244).

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

1049420 is a wasteful number, since it uses less digits than its factorization.

1049420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1049420 is about 1024.4120264815. The cubic root of 1049420 is about 101.6209176350.

The spelling of 1049420 in words is "one million, forty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 137 274 383 548 685 766 1370 1532 1915 2740 3830 7660 52471 104942 209884 262355 524710 1049420