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1948881352 = 231122146379
BaseRepresentation
bin111010000101001…
…1001000111001000
312000211011102121211
41310022121013020
512442403200402
6521215142504
766203134555
oct16412310710
95024142554
101948881352
11910102450
12464814a34
132509b9a42
14146b8da2c
15b61664d7
hex742991c8

1948881352 has 16 divisors (see below), whose sum is σ = 3986348400. Its totient is φ = 885855120.

The previous prime is 1948881313. The next prime is 1948881373. The reversal of 1948881352 is 2531888491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1948881296 and 1948881305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11073102 + ... + 11073277.

It is an arithmetic number, because the mean of its divisors is an integer number (249146775).

Almost surely, 21948881352 is an apocalyptic number.

It is an amenable number.

1948881352 is an abundant number, since it is smaller than the sum of its proper divisors (2037467048).

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

1948881352 is a wasteful number, since it uses less digits than its factorization.

1948881352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22146396 (or 22146392 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 1948881352 is about 44146.1363201810. The cubic root of 1948881352 is about 1249.0940319628.

The spelling of 1948881352 in words is "one billion, nine hundred forty-eight million, eight hundred eighty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 22146379 44292758 88585516 177171032 243610169 487220338 974440676 1948881352