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552491771 = 1342499367
BaseRepresentation
bin100000111011100…
…101101011111011
31102111121111020012
4200323211223323
52112414214041
6130453452135
716456050116
oct4073455373
91374544205
10552491771
1126395a277
1213504104b
138a603710
145353b57d
15337863eb
hex20ee5afb

552491771 has 4 divisors (see below), whose sum is σ = 594991152. Its totient is φ = 509992392.

The previous prime is 552491713. The next prime is 552491773. The reversal of 552491771 is 177194255.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 552491771 - 26 = 552491707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552491773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21249671 + ... + 21249696.

It is an arithmetic number, because the mean of its divisors is an integer number (148747788).

Almost surely, 2552491771 is an apocalyptic number.

552491771 is a deficient number, since it is larger than the sum of its proper divisors (42499381).

552491771 is a wasteful number, since it uses less digits than its factorization.

552491771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42499380.

The product of its digits is 88200, while the sum is 41.

The square root of 552491771 is about 23505.1435009446. The cubic root of 552491771 is about 820.5567164346.

The spelling of 552491771 in words is "five hundred fifty-two million, four hundred ninety-one thousand, seven hundred seventy-one".

Divisors: 1 13 42499367 552491771