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64772112 = 2431996781
BaseRepresentation
bin1111011100010…
…1100000010000
311111212202122010
43313011200100
5113040201422
610232142520
71414360656
oct367054020
9144782563
1064772112
1133620279
1219837a40
131055b0c2
148860dd6
155a46b0c
hex3dc5810

64772112 has 40 divisors (see below), whose sum is σ = 168193600. Its totient is φ = 21479040.

The previous prime is 64772047. The next prime is 64772131. The reversal of 64772112 is 21127746.

It is a self number, because there is not a number n which added to its sum of digits gives 64772112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6162 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (4204840).

Almost surely, 264772112 is an apocalyptic number.

It is an amenable number.

64772112 is an abundant number, since it is smaller than the sum of its proper divisors (103421488).

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

64772112 is a wasteful number, since it uses less digits than its factorization.

64772112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991 (or 6985 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 64772112 is about 8048.1123252599. The cubic root of 64772112 is about 401.6021409599.

Adding to 64772112 its reverse (21127746), we get a palindrome (85899858).

The spelling of 64772112 in words is "sixty-four million, seven hundred seventy-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 199 398 597 796 1194 1592 2388 3184 4776 6781 9552 13562 20343 27124 40686 54248 81372 108496 162744 325488 1349419 2698838 4048257 5397676 8096514 10795352 16193028 21590704 32386056 64772112