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1974663852 = 223731197537
BaseRepresentation
bin111010110110010…
…1111101010101100
312002121200022120020
41311230233222230
513021003220402
6523535522140
766635236320
oct16554575254
95077608506
101974663852
119237121a7
12471389350
13256146165
1414a381980
15b855a8bc
hex75b2faac

1974663852 has 48 divisors (see below), whose sum is σ = 5268157440. Its totient is φ = 563933952.

The previous prime is 1974663851. The next prime is 1974663881. The reversal of 1974663852 is 2583664791.

It is a junction number, because it is equal to n+sod(n) for n = 1974663795 and 1974663804.

It is not an unprimeable number, because it can be changed into a prime (1974663851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258228 + ... + 265764.

It is an arithmetic number, because the mean of its divisors is an integer number (109753280).

Almost surely, 21974663852 is an apocalyptic number.

1974663852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1974663852 is an abundant number, since it is smaller than the sum of its proper divisors (3293493588).

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

1974663852 is a wasteful number, since it uses less digits than its factorization.

1974663852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670 (or 10668 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 1974663852 is about 44437.1899651632. The cubic root of 1974663852 is about 1254.5781669326.

The spelling of 1974663852 in words is "one billion, nine hundred seventy-four million, six hundred sixty-three thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3119 6238 7537 9357 12476 15074 18714 21833 22611 30148 37428 43666 45222 52759 65499 87332 90444 105518 130998 158277 211036 261996 316554 633108 23507903 47015806 70523709 94031612 141047418 164555321 282094836 329110642 493665963 658221284 987331926 1974663852