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1692068949 = 324711093607
BaseRepresentation
bin110010011011010…
…1110110001010101
311100220221000020100
41210312232301111
511431132201244
6435522524313
756634230424
oct14466566125
94326830210
101692068949
1179914649a
123b2806699
1320c73063c
14120a1d2bb
159d838b69
hex64daec55

1692068949 has 24 divisors (see below), whose sum is σ = 2499045120. Its totient is φ = 1102743648.

The previous prime is 1692068927. The next prime is 1692068957. The reversal of 1692068949 is 9498602961.

It is not a de Polignac number, because 1692068949 - 29 = 1692068437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1692068895 and 1692068904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1692068909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467304 + ... + 470910.

It is an arithmetic number, because the mean of its divisors is an integer number (104126880).

Almost surely, 21692068949 is an apocalyptic number.

It is an amenable number.

1692068949 is a deficient number, since it is larger than the sum of its proper divisors (806976171).

1692068949 is a wasteful number, since it uses less digits than its factorization.

1692068949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 1692068949 is about 41134.7656976432. The cubic root of 1692068949 is about 1191.6243028436.

The spelling of 1692068949 in words is "one billion, six hundred ninety-two million, sixty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 9 47 141 423 1109 3327 3607 9981 10821 32463 52123 156369 169529 469107 508587 1525761 4000163 12000489 36001467 188007661 564022983 1692068949