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332640633 = 31331733769
BaseRepresentation
bin10011110100111…
…011000101111001
3212011220220011110
4103310323011321
51140124000013
653001350533
711146253523
oct2364730571
9764826143
10332640633
11160848916
1293498449
1353bb89a0
143226ca13
151e30a2c3
hex13d3b179

332640633 has 32 divisors (see below), whose sum is σ = 499932160. Its totient is φ = 195333120.

The previous prime is 332640631. The next prime is 332640661. The reversal of 332640633 is 336046233.

It is not a de Polignac number, because 332640633 - 21 = 332640631 is a prime.

It is a super-2 number, since 2×3326406332 = 221299581445281378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332640633.

It is not an unprimeable number, because it can be changed into a prime (332640631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 86373 + ... + 90141.

It is an arithmetic number, because the mean of its divisors is an integer number (15622880).

Almost surely, 2332640633 is an apocalyptic number.

It is an amenable number.

332640633 is a deficient number, since it is larger than the sum of its proper divisors (167291527).

332640633 is a wasteful number, since it uses less digits than its factorization.

332640633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 23328, while the sum is 30.

The square root of 332640633 is about 18238.4383377525. The cubic root of 332640633 is about 692.8806496820.

Adding to 332640633 its reverse (336046233), we get a palindrome (668686866).

The spelling of 332640633 in words is "three hundred thirty-two million, six hundred forty thousand, six hundred thirty-three".

Divisors: 1 3 13 31 39 73 93 219 403 949 1209 2263 2847 3769 6789 11307 29419 48997 88257 116839 146991 275137 350517 825411 1518907 3576781 4556721 8529247 10730343 25587741 110880211 332640633