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102051345 = 35112326891
BaseRepresentation
bin1100001010100…
…10111000010001
321010000202010110
412011102320101
5202111120340
614043151533
72346264534
oct605227021
9233022113
10102051345
1152672760
122a2155a9
13181b1416
14d7a6a1b
158e5c680
hex6152e11

102051345 has 32 divisors (see below), whose sum is σ = 185877504. Its totient is φ = 47326400.

The previous prime is 102051343. The next prime is 102051347. The reversal of 102051345 is 543150201.

It is an interprime number because it is at equal distance from previous prime (102051343) and next prime (102051347).

It is not a de Polignac number, because 102051345 - 21 = 102051343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102051343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9651 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (5808672).

Almost surely, 2102051345 is an apocalyptic number.

102051345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102051345 is a deficient number, since it is larger than the sum of its proper divisors (83826159).

102051345 is a wasteful number, since it uses less digits than its factorization.

102051345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26933.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 102051345 is about 10102.0465748283. The cubic root of 102051345 is about 467.3112586120.

The spelling of 102051345 in words is "one hundred two million, fifty-one thousand, three hundred forty-five".

Divisors: 1 3 5 11 15 23 33 55 69 115 165 253 345 759 1265 3795 26891 80673 134455 295801 403365 618493 887403 1479005 1855479 3092465 4437015 6803423 9277395 20410269 34017115 102051345