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554429920 = 255111991583
BaseRepresentation
bin100001000010111…
…110110111100000
31102122020221212111
4201002332313200
52113413224140
6131003205104
716511401522
oct4102766740
91378227774
10554429920
11264a63450
12135816794
138ab31955
14538c3a12
1533a1a7ea
hex210bede0

554429920 has 96 divisors (see below), whose sum is σ = 1437004800. Its totient is φ = 200471040.

The previous prime is 554429893. The next prime is 554429923. The reversal of 554429920 is 29924455.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554429923) 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, 349449 + ... + 351031.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2554429920 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 554429920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718502400).

554429920 is an abundant number, since it is smaller than the sum of its proper divisors (882574880).

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

554429920 is a wasteful number, since it uses less digits than its factorization.

554429920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 554429920 is about 23546.3355960115. The cubic root of 554429920 is about 821.5151048419.

The spelling of 554429920 in words is "five hundred fifty-four million, four hundred twenty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 199 220 352 398 440 796 880 995 1583 1592 1760 1990 2189 3166 3184 3980 4378 6332 6368 7915 7960 8756 10945 12664 15830 15920 17413 17512 21890 25328 31660 31840 34826 35024 43780 50656 63320 69652 70048 87065 87560 126640 139304 174130 175120 253280 278608 315017 348260 350240 557216 630034 696520 1260068 1393040 1575085 2520136 2786080 3150170 3465187 5040272 6300340 6930374 10080544 12600680 13860748 17325935 25201360 27721496 34651870 50402720 55442992 69303740 110885984 138607480 277214960 554429920