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1682243390 = 25732304443
BaseRepresentation
bin110010001000100…
…1111111100111110
311100020102211002202
41210101033330332
511421123242030
6434532151502
756454555452
oct14421177476
94306384082
101682243390
117936453a3
123ab468592
1320a6a02b9
1411d5c2662
159ca47745
hex6444ff3e

1682243390 has 16 divisors (see below), whose sum is σ = 3069519408. Its totient is φ = 663679296.

The previous prime is 1682243371. The next prime is 1682243393. The reversal of 1682243390 is 933422861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682243393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151492 + ... + 1152951.

It is an arithmetic number, because the mean of its divisors is an integer number (191844963).

Almost surely, 21682243390 is an apocalyptic number.

1682243390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1682243390 is a deficient number, since it is larger than the sum of its proper divisors (1387276018).

1682243390 is a wasteful number, since it uses less digits than its factorization.

1682243390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304523.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1682243390 is about 41015.1604897506. The cubic root of 1682243390 is about 1189.3133034114.

The spelling of 1682243390 in words is "one billion, six hundred eighty-two million, two hundred forty-three thousand, three hundred ninety".

Divisors: 1 2 5 10 73 146 365 730 2304443 4608886 11522215 23044430 168224339 336448678 841121695 1682243390