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1952896861 = 29316993923
BaseRepresentation
bin111010001100110…
…1101011101011101
312001002201102212101
41310121231131131
512444420144421
6521441205101
766252230566
oct16431553535
95032642771
101952896861
119123a5353
12466030791
13251794696
1414751716d
15b66ab191
hex7466d75d

1952896861 has 8 divisors (see below), whose sum is σ = 1961215200. Its totient is φ = 1944590352.

The previous prime is 1952896853. The next prime is 1952896909. The reversal of 1952896861 is 1686982591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1952896861 - 23 = 1952896853 is a prime.

It is a super-2 number, since 2×19528968612 = 7627612299407306642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952893861) 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, 495846 + ... + 499768.

It is an arithmetic number, because the mean of its divisors is an integer number (245151900).

Almost surely, 21952896861 is an apocalyptic number.

It is an amenable number.

1952896861 is a deficient number, since it is larger than the sum of its proper divisors (8318339).

1952896861 is a wasteful number, since it uses less digits than its factorization.

1952896861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its digits is 1866240, while the sum is 55.

The square root of 1952896861 is about 44191.5926506389. The cubic root of 1952896861 is about 1249.9513284516.

The spelling of 1952896861 in words is "one billion, nine hundred fifty-two million, eight hundred ninety-six thousand, eight hundred sixty-one".

Divisors: 1 293 1699 3923 497807 1149439 6665177 1952896861