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1204020030 = 23540134001
BaseRepresentation
bin100011111000011…
…1110001100111110
310002220120112222110
41013300332030332
54431212120110
6315250154450
741560000323
oct10760761476
93086515873
101204020030
11568702084
12297282a26
131625a11b5
14b5c98b4a
1570a81a20
hex47c3e33e

1204020030 has 16 divisors (see below), whose sum is σ = 2889648144. Its totient is φ = 321072000.

The previous prime is 1204020023. The next prime is 1204020061. The reversal of 1204020030 is 300204021.

It is a junction number, because it is equal to n+sod(n) for n = 1204019988 and 1204020015.

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, 20066971 + ... + 20067030.

It is an arithmetic number, because the mean of its divisors is an integer number (180603009).

Almost surely, 21204020030 is an apocalyptic number.

1204020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1204020030 is an abundant number, since it is smaller than the sum of its proper divisors (1685628114).

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

1204020030 is a wasteful number, since it uses less digits than its factorization.

1204020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40134011.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1204020030 is about 34698.9917720962. The cubic root of 1204020030 is about 1063.8438908051.

Adding to 1204020030 its reverse (300204021), we get a palindrome (1504224051).

The spelling of 1204020030 in words is "one billion, two hundred four million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 40134001 80268002 120402003 200670005 240804006 401340010 602010015 1204020030