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1385084712 = 2331131169243
BaseRepresentation
bin101001010001110…
…1011011100101000
310120112021121000210
41102203223130220
510314040202322
6345235101120
746216011564
oct12243533450
93515247023
101385084712
11650931710
12327a417a0
13190c5886b
14d1d4c6a4
15818ea70c
hex528eb728

1385084712 has 64 divisors (see below), whose sum is σ = 3899381760. Its totient is φ = 406180800.

The previous prime is 1385084711. The next prime is 1385084717. The reversal of 1385084712 is 2174805831.

It is a super-2 number, since 2×13850847122 = 3836919318832245888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385084711) 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, 76438 + ... + 92805.

It is an arithmetic number, because the mean of its divisors is an integer number (60927840).

Almost surely, 21385084712 is an apocalyptic number.

1385084712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1385084712 is an abundant number, since it is smaller than the sum of its proper divisors (2514297048).

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

1385084712 is a wasteful number, since it uses less digits than its factorization.

1385084712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169294 (or 169290 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1385084712 is about 37216.7262396896. The cubic root of 1385084712 is about 1114.7019954736.

The spelling of 1385084712 in words is "one billion, three hundred eighty-five million, eighty-four thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 124 132 186 248 264 341 372 682 744 1023 1364 2046 2728 4092 8184 169243 338486 507729 676972 1015458 1353944 1861673 2030916 3723346 4061832 5246533 5585019 7446692 10493066 11170038 14893384 15739599 20986132 22340076 31479198 41972264 44680152 57711863 62958396 115423726 125916792 173135589 230847452 346271178 461694904 692542356 1385084712