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3201000420 = 2235139383813
BaseRepresentation
bin1011111011001011…
…0110001111100100
322021002020200002010
42332302312033210
523023424003140
61245344314220
7142216024512
oct27662661744
98232220063
103201000420
1113a2976aa2
12754012970
133c022bcb7
142251a94b2
1513b049880
hexbecb63e4

3201000420 has 48 divisors (see below), whose sum is σ = 9027305280. Its totient is φ = 847456896.

The previous prime is 3201000409. The next prime is 3201000427. The reversal of 3201000420 is 240001023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3201000396 and 3201000405.

It is not an unprimeable number, because it can be changed into a prime (3201000427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183567 + ... + 200246.

It is an arithmetic number, because the mean of its divisors is an integer number (188068860).

Almost surely, 23201000420 is an apocalyptic number.

3201000420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3201000420 is an abundant number, since it is smaller than the sum of its proper divisors (5826304860).

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

3201000420 is a wasteful number, since it uses less digits than its factorization.

3201000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383964 (or 383962 counting only the distinct ones).

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

The square root of 3201000420 is about 56577.3843509931. The cubic root of 3201000420 is about 1473.7661492388.

Adding to 3201000420 its reverse (240001023), we get a palindrome (3441001443).

The spelling of 3201000420 in words is "three billion, two hundred one million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 383813 767626 1151439 1535252 1919065 2302878 3838130 4605756 5757195 7676260 11514390 23028780 53350007 106700014 160050021 213400028 266750035 320100042 533500070 640200084 800250105 1067000140 1600500210 3201000420