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553342947 = 31923422077
BaseRepresentation
bin100000111110110…
…101011111100011
31102120012201211020
4200332311133203
52113123433242
6130524020523
716466223513
oct4076653743
91376181736
10553342947
11264390823
12135391743
138a840c81
14536bd843
15338a36ec
hex20fb57e3

553342947 has 16 divisors (see below), whose sum is σ = 810389760. Its totient is φ = 334284192.

The previous prime is 553342927. The next prime is 553342981. The reversal of 553342947 is 749243355.

It is not a de Polignac number, because 553342947 - 27 = 553342819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553342899 and 553342908.

It is not an unprimeable number, because it can be changed into a prime (553342927) 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, 209728 + ... + 212349.

It is an arithmetic number, because the mean of its divisors is an integer number (50649360).

Almost surely, 2553342947 is an apocalyptic number.

553342947 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

553342947 is a deficient number, since it is larger than the sum of its proper divisors (257046813).

553342947 is a wasteful number, since it uses less digits than its factorization.

553342947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422122.

The product of its digits is 453600, while the sum is 42.

The square root of 553342947 is about 23523.2426973834. The cubic root of 553342947 is about 820.9778870008.

The spelling of 553342947 in words is "five hundred fifty-three million, three hundred forty-two thousand, nine hundred forty-seven".

Divisors: 1 3 19 23 57 69 437 1311 422077 1266231 8019463 9707771 24058389 29123313 184447649 553342947