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102430545 = 3578997113
BaseRepresentation
bin1100001101011…
…11011101010001
321010202000021220
412012233131101
5202210234140
614055235253
72352434220
oct606573521
9233660256
10102430545
1152901648
122a378b29
13182b4bb9
14d864cb7
158ed4bd0
hex61af751

102430545 has 64 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 45416448.

The previous prime is 102430519. The next prime is 102430547. The reversal of 102430545 is 545034201.

It is not a de Polignac number, because 102430545 - 26 = 102430481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102430547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906409 + ... + 906521.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2102430545 is an apocalyptic number.

102430545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102430545 is a deficient number, since it is larger than the sum of its proper divisors (90621615).

102430545 is a wasteful number, since it uses less digits than its factorization.

102430545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 102430545 is about 10120.7976464308. The cubic root of 102430545 is about 467.8893512613.

Adding to 102430545 its reverse (545034201), we get a palindrome (647464746).

The spelling of 102430545 in words is "one hundred two million, four hundred thirty thousand, five hundred forty-five".

Divisors: 1 3 5 7 15 21 35 89 97 105 113 267 291 339 445 485 565 623 679 791 1335 1455 1695 1869 2037 2373 3115 3395 3955 8633 9345 10057 10185 10961 11865 25899 30171 32883 43165 50285 54805 60431 70399 76727 129495 150855 164415 181293 211197 230181 302155 351995 383635 906465 975529 1055985 1150905 2926587 4877645 6828703 14632935 20486109 34143515 102430545