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550604142 = 234112511231
BaseRepresentation
bin100000110100011…
…000110101101110
31102101001120220000
4200310120311232
52111423313032
6130345205130
716434025614
oct4064306556
91371046800
10550604142
11262890050
121344907a6
138a0c248a
14531a96b4
1533511e7c
hex20d18d6e

550604142 has 80 divisors (see below), whose sum is σ = 1352381184. Its totient is φ = 166050000.

The previous prime is 550604123. The next prime is 550604147. The reversal of 550604142 is 241406055.

550604142 is a `hidden beast` number, since 5 + 50 + 604 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550604147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 446667 + ... + 447897.

Almost surely, 2550604142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550604142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676190592).

550604142 is an abundant number, since it is smaller than the sum of its proper divisors (801777042).

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

550604142 is a wasteful number, since it uses less digits than its factorization.

550604142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 550604142 is about 23464.9556147034. The cubic root of 550604142 is about 819.6211525788.

The spelling of 550604142 in words is "five hundred fifty million, six hundred four thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 251 297 502 594 753 891 1231 1506 1782 2259 2462 2761 3693 4518 5522 6777 7386 8283 11079 13541 13554 16566 20331 22158 24849 27082 33237 40623 40662 49698 66474 74547 81246 99711 121869 149094 199422 223641 243738 308981 365607 447282 617962 731214 926943 1096821 1853886 2193642 2780829 3398791 5561658 6797582 8342487 10196373 16684974 20392746 25027461 30589119 50054922 61178238 91767357 183534714 275302071 550604142