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47055501 = 325228389
BaseRepresentation
bin1011001110000…
…0001010001101
310021112200000100
42303200022031
544021234001
64400321313
71110652023
oct263401215
9107480010
1047055501
112461a549
1213913239
1399970bc
14636c713
1541e7586
hex2ce028d

47055501 has 6 divisors (see below), whose sum is σ = 67969070. Its totient is φ = 31370328.

The previous prime is 47055479. The next prime is 47055521. The reversal of 47055501 is 10555074.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 22553001 = 4950^2 + 4749^2 .

It is not a de Polignac number, because 47055501 - 25 = 47055469 is a prime.

It is a super-2 number, since 2×470555012 = 4428440348722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47055521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2614186 + ... + 2614203.

Almost surely, 247055501 is an apocalyptic number.

It is an amenable number.

47055501 is a deficient number, since it is larger than the sum of its proper divisors (20913569).

47055501 is a wasteful number, since it uses less digits than its factorization.

47055501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228395 (or 5228392 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 47055501 is about 6859.7012325611. The cubic root of 47055501 is about 361.0246042320.

The spelling of 47055501 in words is "forty-seven million, fifty-five thousand, five hundred one".

Divisors: 1 3 9 5228389 15685167 47055501