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1015041420 = 2232522212539
BaseRepresentation
bin111100100000000…
…100110110001100
32121201222110001200
4330200010312030
54034322311140
6244415505500
734103465301
oct7440046614
92551873050
101015041420
11480a67708
12243b28290
131323a5633
1498b450a8
155e1a3030
hex3c804d8c

1015041420 has 72 divisors (see below), whose sum is σ = 3081558480. Its totient is φ = 270449280.

The previous prime is 1015041409. The next prime is 1015041473. The reversal of 1015041420 is 241405101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1015041393 and 1015041402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398511 + ... + 401049.

Almost surely, 21015041420 is an apocalyptic number.

1015041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015041420 is an abundant number, since it is smaller than the sum of its proper divisors (2066517060).

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

1015041420 is a wasteful number, since it uses less digits than its factorization.

1015041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1015041420 is about 31859.7146879880. The cubic root of 1015041420 is about 1004.9888763898.

Adding to 1015041420 its reverse (241405101), we get a palindrome (1256446521).

The spelling of 1015041420 in words is "one billion, fifteen million, forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2221 2539 4442 5078 6663 7617 8884 10156 11105 12695 13326 15234 19989 22210 22851 25390 26652 30468 33315 38085 39978 44420 45702 50780 66630 76170 79956 91404 99945 114255 133260 152340 199890 228510 399780 457020 5639119 11278238 16917357 22556476 28195595 33834714 50752071 56391190 67669428 84586785 101504142 112782380 169173570 203008284 253760355 338347140 507520710 1015041420