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420753004 = 22723496151
BaseRepresentation
bin11001000101000…
…010111001101100
31002022201110121121
4121011002321230
51330203044004
6105430110324
713266225100
oct3105027154
91068643547
10420753004
111a655aa61
12b8aab3a4
1369229699
143dc47900
1526e12854
hex19142e6c

420753004 has 36 divisors (see below), whose sum is σ = 859126800. Its totient is φ = 179776800.

The previous prime is 420752999. The next prime is 420753089. The reversal of 420753004 is 400357024.

It is a self number, because there is not a number n which added to its sum of digits gives 420753004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65329 + ... + 71479.

Almost surely, 2420753004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420753004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429563400).

420753004 is an abundant number, since it is smaller than the sum of its proper divisors (438373796).

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

420753004 is a wasteful number, since it uses less digits than its factorization.

420753004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 420753004 is about 20512.2647213807. The cubic root of 420753004 is about 749.3345231769.

It can be divided in two parts, 420 and 753004, that added together give a square (753424 = 8682).

The spelling of 420753004 in words is "four hundred twenty million, seven hundred fifty-three thousand, four".

Divisors: 1 2 4 7 14 28 49 98 196 349 698 1396 2443 4886 6151 9772 12302 17101 24604 34202 43057 68404 86114 172228 301399 602798 1205596 2146699 4293398 8586796 15026893 30053786 60107572 105188251 210376502 420753004