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53695680 = 263555933
BaseRepresentation
bin1100110011010…
…1010011000000
310202001000121220
43030311103000
5102221230210
65154515040
71221256113
oct314652300
9122030556
1053695680
11283453a5
1215b95a80
13b1805bc
1471ba57a
154aa9c70
hex33354c0

53695680 has 56 divisors (see below), whose sum is σ = 170486832. Its totient is φ = 14318592.

The previous prime is 53695657. The next prime is 53695687. The reversal of 53695680 is 8659635.

It is not an unprimeable number, because it can be changed into a prime (53695687) by changing a digit.

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, 27007 + ... + 28926.

Almost surely, 253695680 is an apocalyptic number.

It is an amenable number.

53695680 is an abundant number, since it is smaller than the sum of its proper divisors (116791152).

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

53695680 is a wasteful number, since it uses less digits than its factorization.

53695680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55953 (or 55943 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 53695680 is about 7327.7336196125. The cubic root of 53695680 is about 377.2649414546.

The spelling of 53695680 in words is "fifty-three million, six hundred ninety-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 55933 111866 167799 223732 279665 335598 447464 559330 671196 838995 894928 1118660 1342392 1677990 1789856 2237320 2684784 3355980 3579712 4474640 5369568 6711960 8949280 10739136 13423920 17898560 26847840 53695680