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1674401568 = 25372491669
BaseRepresentation
bin110001111001101…
…0101011100100000
311022200200102010220
41203303111130200
511412121322233
6434052123040
756331115140
oct14363253440
94280612126
101674401568
1178a179754
123a8906480
13208b85b78
1411c540920
159bee8eb3
hex63cd5720

1674401568 has 48 divisors (see below), whose sum is σ = 5023206720. Its totient is φ = 478400256.

The previous prime is 1674401563. The next prime is 1674401593. The reversal of 1674401568 is 8651044761.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×16744015682 = 5607241221841717248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1674401563) 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, 1245163 + ... + 1246506.

It is an arithmetic number, because the mean of its divisors is an integer number (104650140).

Almost surely, 21674401568 is an apocalyptic number.

It is an amenable number.

1674401568 is an abundant number, since it is smaller than the sum of its proper divisors (3348805152).

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

1674401568 is a wasteful number, since it uses less digits than its factorization.

1674401568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491689 (or 2491681 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1674401568 is about 40919.4521957467. The cubic root of 1674401568 is about 1187.4624193167.

The spelling of 1674401568 in words is "one billion, six hundred seventy-four million, four hundred one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2491669 4983338 7475007 9966676 14950014 17441683 19933352 29900028 34883366 39866704 52325049 59800056 69766732 79733408 104650098 119600112 139533464 209300196 239200224 279066928 418600392 558133856 837200784 1674401568