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102484305 = 3357119859
BaseRepresentation
bin1100001101111…
…00100101010001
321010211202001000
412012330211101
5202213444210
614100332213
72353050030
oct606744521
9233752030
10102484305
1152938a80
122a3a4069
1318303501
14d87a717
158ee5ac0
hex61bc951

102484305 has 64 divisors (see below), whose sum is σ = 227174400. Its totient is φ = 42586560.

The previous prime is 102484303. The next prime is 102484367. The reversal of 102484305 is 503484201.

It is not a de Polignac number, because 102484305 - 21 = 102484303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102484303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5466 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (3549600).

Almost surely, 2102484305 is an apocalyptic number.

102484305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102484305 is an abundant number, since it is smaller than the sum of its proper divisors (124690095).

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

102484305 is a wasteful number, since it uses less digits than its factorization.

102484305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891 (or 9885 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 102484305 is about 10123.4532151830. The cubic root of 102484305 is about 467.9711931644.

The spelling of 102484305 in words is "one hundred two million, four hundred eighty-four thousand, three hundred five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 385 495 693 945 1155 1485 2079 3465 9859 10395 29577 49295 69013 88731 108449 147885 207039 266193 325347 345065 443655 542245 621117 759143 976041 1035195 1330965 1626735 1863351 2277429 2928123 3105585 3795715 4880205 6832287 9316755 11387145 14640615 20496861 34161435 102484305