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2215034040 = 2335171085801
BaseRepresentation
bin1000010000000110…
…1011110010111000
312201100222101110210
42010001223302320
514014022042130
61003443511120
7105614323122
oct20401536270
95640871423
102215034040
11a3736894a
125199884a0
13293b9663b
14170272212
15ce6db5b0
hex8406bcb8

2215034040 has 64 divisors (see below), whose sum is σ = 7035996960. Its totient is φ = 555929600.

The previous prime is 2215034039. The next prime is 2215034069. The reversal of 2215034040 is 404305122.

It is a junction number, because it is equal to n+sod(n) for n = 2215033998 and 2215034016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540861 + ... + 544940.

Almost surely, 22215034040 is an apocalyptic number.

2215034040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215034040 is an abundant number, since it is smaller than the sum of its proper divisors (4820962920).

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

2215034040 is a wasteful number, since it uses less digits than its factorization.

2215034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085832 (or 1085828 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2215034040 is about 47064.1481384716. The cubic root of 2215034040 is about 1303.5473214504.

Adding to 2215034040 its reverse (404305122), we get a palindrome (2619339162).

The spelling of 2215034040 in words is "two billion, two hundred fifteen million, thirty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 1085801 2171602 3257403 4343204 5429005 6514806 8686408 10858010 13029612 16287015 18458617 21716020 26059224 32574030 36917234 43432040 55375851 65148060 73834468 92293085 110751702 130296120 147668936 184586170 221503404 276879255 369172340 443006808 553758510 738344680 1107517020 2215034040