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420000032 = 2513125001
BaseRepresentation
bin11001000010001…
…011000100100000
31002021022012201202
4121002023010200
51330010000112
6105402020332
713256640614
oct3102130440
91067265652
10420000032
111a6096271
12b87a76a8
1369024a3a
143dacd344
1526d146c2
hex1908b120

420000032 has 12 divisors (see below), whose sum is σ = 826875126. Its totient is φ = 210000000.

The previous prime is 420000029. The next prime is 420000101. The reversal of 420000032 is 230000024.

It can be written as a sum of positive squares in only one way, i.e., 346108816 + 73891216 = 18604^2 + 8596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 419999968 and 420000022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562469 + ... + 6562532.

Almost surely, 2420000032 is an apocalyptic number.

It is an amenable number.

420000032 is a deficient number, since it is larger than the sum of its proper divisors (406875094).

420000032 is a wasteful number, since it uses less digits than its factorization.

420000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125011 (or 13125003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 420000032 is about 20493.9023126392. The cubic root of 420000032 is about 748.8872577412.

Adding to 420000032 its reverse (230000024), we get a palindrome (650000056).

The spelling of 420000032 in words is "four hundred twenty million, thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 13125001 26250002 52500004 105000008 210000016 420000032