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554200091 = 975713403
BaseRepresentation
bin100001000010000…
…110110000011011
31102121211021121022
4201002012300123
52113333400331
6130554233055
716506423464
oct4102066033
91377737538
10554200091
11264916805
1213572578b
138aa81163
1453863d6b
15339c267b
hex21086c1b

554200091 has 4 divisors (see below), whose sum is σ = 559913592. Its totient is φ = 548486592.

The previous prime is 554200033. The next prime is 554200093. The reversal of 554200091 is 190002455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-554200091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554200091.

It is not an unprimeable number, because it can be changed into a prime (554200093) 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 3 ways as a sum of consecutive naturals, for example, 2856605 + ... + 2856798.

It is an arithmetic number, because the mean of its divisors is an integer number (139978398).

Almost surely, 2554200091 is an apocalyptic number.

554200091 is a deficient number, since it is larger than the sum of its proper divisors (5713501).

554200091 is an equidigital number, since it uses as much as digits as its factorization.

554200091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713500.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 554200091 is about 23541.4547341493. The cubic root of 554200091 is about 821.4015743587.

The spelling of 554200091 in words is "five hundred fifty-four million, two hundred thousand, ninety-one".

Divisors: 1 97 5713403 554200091