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102351312 = 24327591721
BaseRepresentation
bin1100001100111…
…00000111010000
321010120222121100
412012130013100
5202200220222
614053424400
72351654220
oct606340720
9233528540
10102351312
1152858068
122a33b100
1318287b0b
14d844080
158ebb4ac
hex619c1d0

102351312 has 120 divisors (see below), whose sum is σ = 333103680. Its totient is φ = 28730880.

The previous prime is 102351299. The next prime is 102351323. The reversal of 102351312 is 213153201.

102351312 is a `hidden beast` number, since 1 + 0 + 2 + 351 + 312 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58612 + ... + 60332.

It is an arithmetic number, because the mean of its divisors is an integer number (2775864).

Almost surely, 2102351312 is an apocalyptic number.

102351312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102351312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166551840).

102351312 is an abundant number, since it is smaller than the sum of its proper divisors (230752368).

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

102351312 is a wasteful number, since it uses less digits than its factorization.

102351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 102351312 is about 10116.8825237817. The cubic root of 102351312 is about 467.7686781428.

The spelling of 102351312 in words is "one hundred two million, three hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 59 63 72 84 112 118 126 144 168 177 236 252 336 354 413 472 504 531 708 826 944 1008 1062 1239 1416 1652 1721 2124 2478 2832 3304 3442 3717 4248 4956 5163 6608 6884 7434 8496 9912 10326 12047 13768 14868 15489 19824 20652 24094 27536 29736 30978 36141 41304 48188 59472 61956 72282 82608 96376 101539 108423 123912 144564 192752 203078 216846 247824 289128 304617 406156 433692 578256 609234 710773 812312 867384 913851 1218468 1421546 1624624 1734768 1827702 2132319 2436936 2843092 3655404 4264638 4873872 5686184 6396957 7310808 8529276 11372368 12793914 14621616 17058552 25587828 34117104 51175656 102351312