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2284920645 = 357208710427
BaseRepresentation
bin1000100000110001…
…0001111101000101
312220020110222212120
42020030101331011
514134414430040
61014421440153
7110423335140
oct21014217505
95806428776
102284920645
11a72861777
12539270059
132a54c5667
14179665057
15d58e37d0
hex88311f45

2284920645 has 32 divisors (see below), whose sum is σ = 4180543488. Its totient is φ = 1043934528.

The previous prime is 2284920637. The next prime is 2284920667. The reversal of 2284920645 is 5460294822.

It is not a de Polignac number, because 2284920645 - 23 = 2284920637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2284920597 and 2284920606.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 213922 + ... + 224348.

It is an arithmetic number, because the mean of its divisors is an integer number (130641984).

Almost surely, 22284920645 is an apocalyptic number.

It is an amenable number.

2284920645 is a deficient number, since it is larger than the sum of its proper divisors (1895622843).

2284920645 is a wasteful number, since it uses less digits than its factorization.

2284920645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2284920645 is about 47800.8435595022. The cubic root of 2284920645 is about 1317.1150347864.

The spelling of 2284920645 in words is "two billion, two hundred eighty-four million, nine hundred twenty thousand, six hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 2087 6261 10427 10435 14609 31281 31305 43827 52135 72989 73045 156405 218967 219135 364945 1094835 21761149 65283447 108805745 152328043 326417235 456984129 761640215 2284920645