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554431020 = 22351113192179
BaseRepresentation
bin100001000010111…
…111001000101100
31102122021000101020
4201002333020230
52113413243040
6131003214140
716511404653
oct4102771054
91378230336
10554431020
11264a64260
12135817350
138ab322c0
14538c419a
1533a1acd0
hex210bf22c

554431020 has 288 divisors, whose sum is σ = 1935601920. Its totient is φ = 116881920.

The previous prime is 554430973. The next prime is 554431043. The reversal of 554431020 is 20134455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3097291 + ... + 3097469.

It is an arithmetic number, because the mean of its divisors is an integer number (6720840).

Almost surely, 2554431020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967800960).

554431020 is an abundant number, since it is smaller than the sum of its proper divisors (1381170900).

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

554431020 is a wasteful number, since it uses less digits than its factorization.

554431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 554431020 is about 23546.3589541993. The cubic root of 554431020 is about 821.5156481423.

Adding to 554431020 its reverse (20134455), we get a palindrome (574565475).

The spelling of 554431020 in words is "five hundred fifty-four million, four hundred thirty-one thousand, twenty".