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554250091 = 4373317557
BaseRepresentation
bin100001000010010…
…010111101101011
31102121220211012011
4201002102331223
52113342000331
6130555300351
716510022323
oct4102227553
91377824164
10554250091
1126495032a
1213574a6b7
138aa9ab45
1453878283
15339d23b1
hex21092f6b

554250091 has 16 divisors (see below), whose sum is σ = 577757664. Its totient is φ = 531304704.

The previous prime is 554250043. The next prime is 554250149. The reversal of 554250091 is 190052455.

It is a cyclic number.

It is not a de Polignac number, because 554250091 - 213 = 554241899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554250391) 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, 994785 + ... + 995341.

It is an arithmetic number, because the mean of its divisors is an integer number (36109854).

Almost surely, 2554250091 is an apocalyptic number.

554250091 is a deficient number, since it is larger than the sum of its proper divisors (23507573).

554250091 is a wasteful number, since it uses less digits than its factorization.

554250091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 554250091 is about 23542.5166666608. The cubic root of 554250091 is about 821.4262759327.

The spelling of 554250091 in words is "five hundred fifty-four million, two hundred fifty thousand, ninety-one".

Divisors: 1 43 73 317 557 3139 13631 23141 23951 40661 176569 995063 1748423 7592467 12889537 554250091