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1050232220 = 225194167409
BaseRepresentation
bin111110100110010…
…100010110011100
32201012012022202122
4332212110112130
54122324412340
6252114042112
735011553342
oct7646242634
92635168678
101050232220
11499913014
12253879338
131397771ab
149d6a5992
1562304db5
hex3e99459c

1050232220 has 48 divisors (see below), whose sum is σ = 2378224800. Its totient is φ = 388270080.

The previous prime is 1050232219. The next prime is 1050232223. The reversal of 1050232220 is 222320501.

It is a super-2 number, since 2×10502322202 = 2205975431852256800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050232223) 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, 18125 + ... + 49284.

It is an arithmetic number, because the mean of its divisors is an integer number (49546350).

Almost surely, 21050232220 is an apocalyptic number.

1050232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050232220 is an abundant number, since it is smaller than the sum of its proper divisors (1327992580).

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

1050232220 is a wasteful number, since it uses less digits than its factorization.

1050232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67478 (or 67476 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1050232220 is about 32407.2865263354. The cubic root of 1050232220 is about 1016.4712806764.

Adding to 1050232220 its reverse (222320501), we get a palindrome (1272552721).

The spelling of 1050232220 in words is "one billion, fifty million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 380 410 779 820 1558 3116 3895 7790 15580 67409 134818 269636 337045 674090 1280771 1348180 2561542 2763769 5123084 5527538 6403855 11055076 12807710 13818845 25615420 27637690 52511611 55275380 105023222 210046444 262558055 525116110 1050232220