Search a number
-
+
1053906438 = 2313118711383
BaseRepresentation
bin111110110100010…
…101011000000110
32201110002222211210
4332310111120012
54124300001223
6252324512250
735055025344
oct7664253006
92643088753
101053906438
114a09a2562
12254b4b686
1313a4626a0
149dd80994
15627cd893
hex3ed15606

1053906438 has 32 divisors (see below), whose sum is σ = 2272064256. Its totient is φ = 323977248.

The previous prime is 1053906401. The next prime is 1053906457. The reversal of 1053906438 is 8346093501.

1053906438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10539064382 = 2221437560115695688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1053906396 and 1053906405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86895 + ... + 98277.

It is an arithmetic number, because the mean of its divisors is an integer number (71002008).

Almost surely, 21053906438 is an apocalyptic number.

1053906438 is an abundant number, since it is smaller than the sum of its proper divisors (1218157818).

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

1053906438 is a wasteful number, since it uses less digits than its factorization.

1053906438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12588.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1053906438 is about 32463.9251785732. The cubic root of 1053906438 is about 1017.6552696862.

Adding to 1053906438 its reverse (8346093501), we get a palindrome (9399999939).

The spelling of 1053906438 in words is "one billion, fifty-three million, nine hundred six thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 1187 2374 3561 7122 11383 15431 22766 30862 34149 46293 68298 92586 147979 295958 443937 887874 13511621 27023242 40534863 81069726 175651073 351302146 526953219 1053906438