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1052112140 = 22561862387
BaseRepresentation
bin111110101101011…
…111010100001100
32201022201211112022
4332231133110030
54123320042030
6252222225312
735033543222
oct7655372414
92638654468
101052112140
1149a987472
12254425238
13139c84a81
149da34b12
1562576de5
hex3eb5f50c

1052112140 has 24 divisors (see below), whose sum is σ = 2245658352. Its totient is φ = 413945280.

The previous prime is 1052112119. The next prime is 1052112157. The reversal of 1052112140 is 412112501.

It is a super-2 number, since 2×10521121402 = 2213879910270759200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429974 + ... + 432413.

It is an arithmetic number, because the mean of its divisors is an integer number (93569098).

Almost surely, 21052112140 is an apocalyptic number.

1052112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052112140 is an abundant number, since it is smaller than the sum of its proper divisors (1193546212).

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

1052112140 is a wasteful number, since it uses less digits than its factorization.

1052112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862457 (or 862455 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1052112140 is about 32436.2781465445. The cubic root of 1052112140 is about 1017.0774150857.

Adding to 1052112140 its reverse (412112501), we get a palindrome (1464224641).

The spelling of 1052112140 in words is "one billion, fifty-two million, one hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 862387 1724774 3449548 4311935 8623870 17247740 52605607 105211214 210422428 263028035 526056070 1052112140