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102332945 = 51113178419
BaseRepresentation
bin1100001100101…
…11101000010001
321010120001102002
412012113220101
5202144123240
614053203345
72351546531
oct606275021
9233501362
10102332945
1152845290
122a330555
131827c650
14d83b4c1
158eb5d15
hex6197a11

102332945 has 32 divisors (see below), whose sum is σ = 152772480. Its totient is φ = 64650240.

The previous prime is 102332903. The next prime is 102332969. The reversal of 102332945 is 549233201.

It is not a de Polignac number, because 102332945 - 210 = 102331921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7946 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (4774140).

Almost surely, 2102332945 is an apocalyptic number.

It is an amenable number.

102332945 is a deficient number, since it is larger than the sum of its proper divisors (50439535).

102332945 is a wasteful number, since it uses less digits than its factorization.

102332945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 102332945 is about 10115.9747429499. The cubic root of 102332945 is about 467.7406960189.

The spelling of 102332945 in words is "one hundred two million, three hundred thirty-two thousand, nine hundred forty-five".

Divisors: 1 5 11 13 17 55 65 85 143 187 221 715 935 1105 2431 8419 12155 42095 92609 109447 143123 463045 547235 715615 1203917 1574353 1860599 6019585 7871765 9302995 20466589 102332945