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1242037260 = 2233523100003
BaseRepresentation
bin100101000000111…
…1111110000001100
310012120010000211000
41022001333300030
510020430143020
6323125100300
742531066612
oct11201776014
93176100730
101242037260
11588108a82
122a7b57690
1316a4223b9
14bad536b2
1574091090
hex4a07fc0c

1242037260 has 96 divisors (see below), whose sum is σ = 4032161280. Its totient is φ = 316806336.

The previous prime is 1242037249. The next prime is 1242037273. The reversal of 1242037260 is 627302421.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

1242037260 is a modest number, since divided by 37260 gives 12420 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37582 + ... + 62421.

It is an arithmetic number, because the mean of its divisors is an integer number (42001680).

Almost surely, 21242037260 is an apocalyptic number.

1242037260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242037260 is an abundant number, since it is smaller than the sum of its proper divisors (2790124020).

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

1242037260 is a wasteful number, since it uses less digits than its factorization.

1242037260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100044 (or 100036 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1242037260 is about 35242.5489997531. The cubic root of 1242037260 is about 1074.9251103409.

Adding to 1242037260 its reverse (627302421), we get a palindrome (1869339681).

The spelling of 1242037260 in words is "one billion, two hundred forty-two million, thirty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 90 92 108 115 135 138 180 207 230 270 276 345 414 460 540 621 690 828 1035 1242 1380 2070 2484 3105 4140 6210 12420 100003 200006 300009 400012 500015 600018 900027 1000030 1200036 1500045 1800054 2000060 2300069 2700081 3000090 3600108 4500135 4600138 5400162 6000180 6900207 9000270 9200276 10800324 11500345 13500405 13800414 18000540 20700621 23000690 27000810 27600828 34501035 41401242 46001380 54001620 62101863 69002070 82802484 103503105 124203726 138004140 207006210 248407452 310509315 414012420 621018630 1242037260