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3149808252 = 2231321198701
BaseRepresentation
bin1011101110111110…
…0100001001111100
322010111220211121220
42323233210021330
522422322331002
61240315153340
7141024633303
oct27357441174
98114824556
103149808252
111376a91618
1273aa45850
133b2747086
1421c48143a
151367d67bc
hexbbbe427c

3149808252 has 24 divisors (see below), whose sum is σ = 7355153232. Its totient is φ = 1049136000.

The previous prime is 3149808241. The next prime is 3149808257. The reversal of 3149808252 is 2528089413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149808257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83499 + ... + 115202.

It is an arithmetic number, because the mean of its divisors is an integer number (306464718).

Almost surely, 23149808252 is an apocalyptic number.

It is an amenable number.

3149808252 is an abundant number, since it is smaller than the sum of its proper divisors (4205344980).

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

3149808252 is a wasteful number, since it uses less digits than its factorization.

3149808252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200029 (or 200027 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3149808252 is about 56123.1525486586. The cubic root of 3149808252 is about 1465.8674640569.

The spelling of 3149808252 in words is "three billion, one hundred forty-nine million, eight hundred eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 1321 2642 3963 5284 7926 15852 198701 397402 596103 794804 1192206 2384412 262484021 524968042 787452063 1049936084 1574904126 3149808252