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755056636 = 221373137483
BaseRepresentation
bin101101000000010…
…011111111111100
31221121202211222121
4231000103333330
53021243303021
6202531252324
724465606205
oct5500237774
91847684877
10755056636
11358234254
12190a4a0a4
13c0578299
14723ca5ac
154644a741
hex2d013ffc

755056636 has 12 divisors (see below), whose sum is σ = 1322321112. Its totient is φ = 377250608.

The previous prime is 755056619. The next prime is 755056691. The reversal of 755056636 is 636650557.

It is a super-2 number, since 2×7550566362 = 1140221047135272992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 755056592 and 755056601.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63250 + ... + 74233.

It is an arithmetic number, because the mean of its divisors is an integer number (110193426).

Almost surely, 2755056636 is an apocalyptic number.

It is an amenable number.

755056636 is a deficient number, since it is larger than the sum of its proper divisors (567264476).

755056636 is a wasteful number, since it uses less digits than its factorization.

755056636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138860 (or 138858 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 43.

The square root of 755056636 is about 27478.2939062817. The cubic root of 755056636 is about 910.5976173476.

The spelling of 755056636 in words is "seven hundred fifty-five million, fifty-six thousand, six hundred thirty-six".

Divisors: 1 2 4 1373 2746 5492 137483 274966 549932 188764159 377528318 755056636