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1053101220 = 223519923773
BaseRepresentation
bin111110110001010…
…000110010100100
32201101121002021220
4332301100302210
54124043214340
6252255340340
735045132643
oct7661206244
92641532256
101053101220
114a04a2596
122548216b0
1313a240022
149dc1135a
15626beed0
hex3ec50ca4

1053101220 has 48 divisors (see below), whose sum is σ = 3103880640. Its totient is φ = 266046336.

The previous prime is 1053101209. The next prime is 1053101233. The reversal of 1053101220 is 221013501.

It is a super-2 number, since 2×10531012202 = 2218044359130976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1053101220.

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, 460747 + ... + 463026.

It is an arithmetic number, because the mean of its divisors is an integer number (64664180).

Almost surely, 21053101220 is an apocalyptic number.

1053101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053101220 is an abundant number, since it is smaller than the sum of its proper divisors (2050779420).

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

1053101220 is a wasteful number, since it uses less digits than its factorization.

1053101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923804 (or 923802 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1053101220 is about 32451.5210737494. The cubic root of 1053101220 is about 1017.3960300006.

Adding to 1053101220 its reverse (221013501), we get a palindrome (1274114721).

The spelling of 1053101220 in words is "one billion, fifty-three million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 923773 1847546 2771319 3695092 4618865 5542638 9237730 11085276 13856595 17551687 18475460 27713190 35103374 52655061 55426380 70206748 87758435 105310122 175516870 210620244 263275305 351033740 526550610 1053101220