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20153152 = 262313691
BaseRepresentation
bin100110011100…
…0001101000000
31101220212221001
41030320031000
520124400102
61555541344
7333204355
oct114701500
941825831
1020153152
11104153a8
1268ba854
134238056
14296862c
151b81487
hex1338340

20153152 has 28 divisors (see below), whose sum is σ = 41733216. Its totient is φ = 9637760.

The previous prime is 20153141. The next prime is 20153153. The reversal of 20153152 is 25135102.

It is a super-2 number, since 2×201531522 = 812299071070208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5374 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (1490472).

Almost surely, 220153152 is an apocalyptic number.

It is an amenable number.

20153152 is an abundant number, since it is smaller than the sum of its proper divisors (21580064).

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

20153152 is a wasteful number, since it uses less digits than its factorization.

20153152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13726 (or 13716 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20153152 is about 4489.2262139482. The cubic root of 20153152 is about 272.1328647310.

Adding to 20153152 its reverse (25135102), we get a palindrome (45288254).

The spelling of 20153152 in words is "twenty million, one hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 13691 27382 54764 109528 219056 314893 438112 629786 876224 1259572 2519144 5038288 10076576 20153152