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1204003420 = 225311941941
BaseRepresentation
bin100011111000011…
…1010001001011100
310002220112201012021
41013300322021130
54431211102140
6315245545524
741556601024
oct10760721134
93086481167
101204003420
115686a0654
122972752a4
13162596779
14b5c92a84
1570a7bb4a
hex47c3a25c

1204003420 has 24 divisors (see below), whose sum is σ = 2609970048. Its totient is φ = 466065600.

The previous prime is 1204003373. The next prime is 1204003441. The reversal of 1204003420 is 243004021.

It is a junction number, because it is equal to n+sod(n) for n = 1204003394 and 1204003403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970351 + ... + 971590.

It is an arithmetic number, because the mean of its divisors is an integer number (108748752).

Almost surely, 21204003420 is an apocalyptic number.

1204003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204003420 is an abundant number, since it is smaller than the sum of its proper divisors (1405966628).

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

1204003420 is a wasteful number, since it uses less digits than its factorization.

1204003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941981 (or 1941979 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1204003420 is about 34698.7524271407. The cubic root of 1204003420 is about 1063.8389987136.

Adding to 1204003420 its reverse (243004021), we get a palindrome (1447007441).

The spelling of 1204003420 in words is "one billion, two hundred four million, three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1941941 3883882 7767764 9709705 19419410 38838820 60200171 120400342 240800684 301000855 602001710 1204003420