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554724690 = 235138317137
BaseRepresentation
bin100001000100000…
…110110101010010
31102122210221012220
4201010012311102
52114002142230
6131013401510
716514040102
oct4104066522
91378727186
10554724690
11265144963
12135939296
138ac05b80
145395d202
1533a77d10
hex21106d52

554724690 has 64 divisors (see below), whose sum is σ = 1451108736. Its totient is φ = 134894592.

The previous prime is 554724689. The next prime is 554724707. The reversal of 554724690 is 96427455.

It is a super-2 number, since 2×5547246902 = 615438963391192200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23802 + ... + 40938.

It is an arithmetic number, because the mean of its divisors is an integer number (22673574).

Almost surely, 2554724690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554724690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725554368).

554724690 is an abundant number, since it is smaller than the sum of its proper divisors (896384046).

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

554724690 is a wasteful number, since it uses less digits than its factorization.

554724690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17243.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 554724690 is about 23552.5941246394. The cubic root of 554724690 is about 821.6606688383.

The spelling of 554724690 in words is "five hundred fifty-four million, seven hundred twenty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 83 130 166 195 249 390 415 498 830 1079 1245 2158 2490 3237 5395 6474 10790 16185 17137 32370 34274 51411 85685 102822 171370 222781 257055 445562 514110 668343 1113905 1336686 1422371 2227810 2844742 3341715 4267113 6683430 7111855 8534226 14223710 18490823 21335565 36981646 42671130 55472469 92454115 110944938 184908230 277362345 554724690