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550031442 = 232272831427
BaseRepresentation
bin100000110010001…
…101000001010010
31102022222111021220
4200302031001102
52111302001232
6130325025510
716426122132
oct4062150122
91368874256
10550031442
11262529844
12134255296
1389c518bc
145309aac2
153344c42c
hex20c8d052

550031442 has 32 divisors (see below), whose sum is σ = 1109590272. Its totient is φ = 181763664.

The previous prime is 550031411. The next prime is 550031473. The reversal of 550031442 is 244130055.

It is an interprime number because it is at equal distance from previous prime (550031411) and next prime (550031473).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384733 + ... + 386159.

It is an arithmetic number, because the mean of its divisors is an integer number (34674696).

Almost surely, 2550031442 is an apocalyptic number.

550031442 is an abundant number, since it is smaller than the sum of its proper divisors (559558830).

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

550031442 is a wasteful number, since it uses less digits than its factorization.

550031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

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

The square root of 550031442 is about 23452.7491352293. The cubic root of 550031442 is about 819.3368830907.

Adding to 550031442 its reverse (244130055), we get a palindrome (794161497).

The spelling of 550031442 in words is "five hundred fifty million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 227 283 454 566 681 849 1362 1427 1698 2854 4281 8562 64241 128482 192723 323929 385446 403841 647858 807682 971787 1211523 1943574 2423046 91671907 183343814 275015721 550031442