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554455434 = 231323378353
BaseRepresentation
bin100001000011000…
…101000110001010
31102122022020212110
4201003011012022
52113420033214
6131003523150
716511536101
oct4103050612
91378266773
10554455434
11264a80635
121358294b6
138ab40450
14538cd038
1533a23159
hex210c518a

554455434 has 64 divisors (see below), whose sum is σ = 1279966464. Its totient is φ = 158754816.

The previous prime is 554455409. The next prime is 554455439. The reversal of 554455434 is 434554455.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 554455392 and 554455401.

It is not an unprimeable number, because it can be changed into a prime (554455439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62202 + ... + 70554.

It is an arithmetic number, because the mean of its divisors is an integer number (19999476).

Almost surely, 2554455434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554455434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639983232).

554455434 is an abundant number, since it is smaller than the sum of its proper divisors (725511030).

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

554455434 is a wasteful number, since it uses less digits than its factorization.

554455434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

The product of its digits is 480000, while the sum is 39.

The square root of 554455434 is about 23546.8773725944. The cubic root of 554455434 is about 821.5277062631.

The spelling of 554455434 in words is "five hundred fifty-four million, four hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 13 23 26 37 39 46 69 74 78 111 138 222 299 481 598 851 897 962 1443 1702 1794 2553 2886 5106 8353 11063 16706 22126 25059 33189 50118 66378 108589 192119 217178 309061 325767 384238 576357 618122 651534 927183 1152714 1854366 2497547 4017793 4995094 7108403 7492641 8035586 12053379 14216806 14985282 21325209 24106758 42650418 92409239 184818478 277227717 554455434