Search a number
-
+
554613990 = 235719971433
BaseRepresentation
bin100001000011101…
…011110011100110
31102122121022100220
4201003223303212
52113440121430
6131011145210
716513066260
oct4103536346
91378538326
10554613990
11265079777
121358a5206
138ab97678
1453930b30
1533a55110
hex210ebce6

554613990 has 128 divisors (see below), whose sum is σ = 1618928640. Its totient is φ = 118775808.

The previous prime is 554613977. The next prime is 554613991. The reversal of 554613990 is 99316455.

554613990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554613991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386314 + ... + 387746.

It is an arithmetic number, because the mean of its divisors is an integer number (12647880).

Almost surely, 2554613990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554613990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809464320).

554613990 is an abundant number, since it is smaller than the sum of its proper divisors (1064314650).

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

554613990 is a wasteful number, since it uses less digits than its factorization.

554613990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 554613990 is about 23550.2439477811. The cubic root of 554613990 is about 821.6060087586.

The spelling of 554613990 in words is "five hundred fifty-four million, six hundred thirteen thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 97 105 114 133 190 194 210 266 285 291 399 485 570 582 665 679 798 970 1330 1358 1433 1455 1843 1995 2037 2866 2910 3395 3686 3990 4074 4299 5529 6790 7165 8598 9215 10031 10185 11058 12901 14330 18430 20062 20370 21495 25802 27227 27645 30093 38703 42990 50155 54454 55290 60186 64505 77406 81681 100310 129010 136135 139001 150465 163362 190589 193515 272270 278002 300930 381178 387030 408405 417003 571767 695005 816810 834006 952945 973007 1143534 1390010 1905890 1946014 2085015 2641019 2858835 2919021 4170030 4865035 5282038 5717670 5838042 7923057 9730070 13205095 14595105 15846114 18487133 26410190 29190210 36974266 39615285 55461399 79230570 92435665 110922798 184871330 277306995 554613990