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1083745872 = 243311228061
BaseRepresentation
bin100000010011000…
…1010011001010000
32210112020222212000
41000212022121100
54204414331442
6255312234000
735566454646
oct10046123120
92715228760
101083745872
11506823350
12262b3b900
131436ac561
14a3d0b196
1565224d4c
hex4098a650

1083745872 has 80 divisors (see below), whose sum is σ = 3393562560. Its totient is φ = 328406400.

The previous prime is 1083745867. The next prime is 1083745877. The reversal of 1083745872 is 2785473801.

It is an interprime number because it is at equal distance from previous prime (1083745867) and next prime (1083745877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083745877) 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, 109279 + ... + 118782.

It is an arithmetic number, because the mean of its divisors is an integer number (42419532).

Almost surely, 21083745872 is an apocalyptic number.

1083745872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1083745872 is an abundant number, since it is smaller than the sum of its proper divisors (2309816688).

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

1083745872 is a wasteful number, since it uses less digits than its factorization.

1083745872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228089 (or 228077 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1083745872 is about 32920.2957459376. The cubic root of 1083745872 is about 1027.1703753794.

The spelling of 1083745872 in words is "one billion, eighty-three million, seven hundred forty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 132 144 176 198 216 264 297 396 432 528 594 792 1188 1584 2376 4752 228061 456122 684183 912244 1368366 1824488 2052549 2508671 2736732 3648976 4105098 5017342 5473464 6157647 7526013 8210196 10034684 10946928 12315294 15052026 16420392 20069368 22578039 24630588 30104052 32840784 40138736 45156078 49261176 60208104 67734117 90312156 98522352 120416208 135468234 180624312 270936468 361248624 541872936 1083745872