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1050021054 = 232195321093
BaseRepresentation
bin111110100101100…
…000110010111110
32201011210121002200
4332211200302332
54122301133204
6252105332330
735010013605
oct7645406276
92634717080
101050021054
114997893a5
122537970a6
13139702044
149d64ca3c
15622b2539
hex3e960cbe

1050021054 has 72 divisors (see below), whose sum is σ = 2443055160. Its totient is φ = 325031616.

The previous prime is 1050021043. The next prime is 1050021097. The reversal of 1050021054 is 4501200501.

It is a super-2 number, since 2×10500210542 = 2205088427686541832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 960132 + ... + 961224.

Almost surely, 21050021054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050021054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221527580).

1050021054 is an abundant number, since it is smaller than the sum of its proper divisors (1393034106).

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

1050021054 is a wasteful number, since it uses less digits than its factorization.

1050021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1050021054 is about 32404.0283606838. The cubic root of 1050021054 is about 1016.4031501691.

Adding to 1050021054 its reverse (4501200501), we get a palindrome (5551221555).

The spelling of 1050021054 in words is "one billion, fifty million, twenty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 18 19 38 53 57 106 114 159 171 318 342 477 954 1007 1093 2014 2186 2809 3021 3279 5618 6042 6558 8427 9063 9837 16854 18126 19674 20767 25281 41534 50562 53371 57929 62301 106742 115858 124602 160113 173787 186903 320226 347574 373806 480339 521361 960678 1042722 1100651 2201302 3070237 3301953 6140474 6603906 9210711 9905859 18421422 19811718 27632133 55264266 58334503 116669006 175003509 350007018 525010527 1050021054