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1674495940 = 225132495413
BaseRepresentation
bin110001111001110…
…1100011111000100
311022200212012121011
41203303230133010
511412132332230
6434054132004
756331660235
oct14363543704
94280765534
101674495940
1178a233647
123a8951004
13208bb9b00
1411c56708c
159c016e2a
hex63cec7c4

1674495940 has 36 divisors (see below), whose sum is σ = 3807752004. Its totient is φ = 618274176.

The previous prime is 1674495913. The next prime is 1674495941. The reversal of 1674495940 is 495944761.

It can be written as a sum of positive squares in 6 ways, for example, as 71774784 + 1602721156 = 8472^2 + 40034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674495941) 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 11 ways as a sum of consecutive naturals, for example, 244327 + ... + 251086.

It is an arithmetic number, because the mean of its divisors is an integer number (105770889).

Almost surely, 21674495940 is an apocalyptic number.

1674495940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1674495940 is an abundant number, since it is smaller than the sum of its proper divisors (2133256064).

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

1674495940 is a wasteful number, since it uses less digits than its factorization.

1674495940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495448 (or 495433 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1674495940 is about 40920.6053229910. The cubic root of 1674495940 is about 1187.4847280030.

The spelling of 1674495940 in words is "one billion, six hundred seventy-four million, four hundred ninety-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 495413 990826 1981652 2477065 4954130 6440369 9908260 12880738 25761476 32201845 64403690 83724797 128807380 167449594 334899188 418623985 837247970 1674495940