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554139894 = 237111199437
BaseRepresentation
bin100001000001111…
…000000011110110
31102121201020000210
4201001320003312
52113324434034
6130553050250
716506053130
oct4101700366
91377636023
10554139894
11264885560
121356b6986
138aa5c939
145384a050
15339ae8e9
hex210780f6

554139894 has 32 divisors (see below), whose sum is σ = 1381752576. Its totient is φ = 143932320.

The previous prime is 554139893. The next prime is 554139919. The reversal of 554139894 is 498931455.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554139893) 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, 599257 + ... + 600180.

It is an arithmetic number, because the mean of its divisors is an integer number (43179768).

Almost surely, 2554139894 is an apocalyptic number.

554139894 is an abundant number, since it is smaller than the sum of its proper divisors (827612682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554139894 is a wasteful number, since it uses less digits than its factorization.

554139894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199460.

The product of its digits is 777600, while the sum is 48.

The square root of 554139894 is about 23540.1761675651. The cubic root of 554139894 is about 821.3718331746.

The spelling of 554139894 in words is "five hundred fifty-four million, one hundred thirty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 1199437 2398874 3598311 7196622 8396059 13193807 16792118 25188177 26387614 39581421 50376354 79162842 92356649 184713298 277069947 554139894