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52280001 = 3219378263
BaseRepresentation
bin1100011101101…
…1101011000001
310122101002200100
43013123223001
5101340430001
65104313013
71203241554
oct307335301
9118332610
1052280001
1127568814
1215612769
13aaa6117
146d2c69b
1548ca586
hex31dbac1

52280001 has 24 divisors (see below), whose sum is σ = 81648320. Its totient is φ = 32122656.

The previous prime is 52279999. The next prime is 52280003. The reversal of 52280001 is 10008225.

It is an interprime number because it is at equal distance from previous prime (52279999) and next prime (52280003).

It is not a de Polignac number, because 52280001 - 21 = 52279999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52280003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2196 + ... + 10458.

Almost surely, 252280001 is an apocalyptic number.

It is an amenable number.

52280001 is a deficient number, since it is larger than the sum of its proper divisors (29368319).

52280001 is a wasteful number, since it uses less digits than its factorization.

52280001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8325 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 52280001 is about 7230.4910621617. The cubic root of 52280001 is about 373.9198570973.

Adding to 52280001 its reverse (10008225), we get a palindrome (62288226).

The spelling of 52280001 in words is "fifty-two million, two hundred eighty thousand, one".

Divisors: 1 3 9 19 37 57 111 171 333 703 2109 6327 8263 24789 74367 156997 305731 470991 917193 1412973 2751579 5808889 17426667 52280001