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52903011 = 3719132589
BaseRepresentation
bin1100100111001…
…1110001100011
310200112202021210
43021303301203
5102020344021
65125521203
71211445120
oct311636143
9120482253
1052903011
11279538a7
1215873203
13ac63875
147051747
15499ee76
hex3273c63

52903011 has 16 divisors (see below), whose sum is σ = 84857600. Its totient is φ = 28639008.

The previous prime is 52903003. The next prime is 52903021. The reversal of 52903011 is 11030925.

It is not a de Polignac number, because 52903011 - 23 = 52903003 is a prime.

It is a super-2 number, since 2×529030112 = 5597457145732242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52903021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65896 + ... + 66693.

It is an arithmetic number, because the mean of its divisors is an integer number (5303600).

Almost surely, 252903011 is an apocalyptic number.

52903011 is a deficient number, since it is larger than the sum of its proper divisors (31954589).

52903011 is a wasteful number, since it uses less digits than its factorization.

52903011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132618.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 52903011 is about 7273.4456071383. The cubic root of 52903011 is about 375.3993044428.

Adding to 52903011 its reverse (11030925), we get a palindrome (63933936).

The spelling of 52903011 in words is "fifty-two million, nine hundred three thousand, eleven".

Divisors: 1 3 7 19 21 57 133 399 132589 397767 928123 2519191 2784369 7557573 17634337 52903011