Search a number
-
+
1049640025 = 52731091123
BaseRepresentation
bin111110100100000…
…011110001011001
32201011002020102111
4332210003301121
54122201440100
6252053232321
735003536000
oct7644036131
92634066374
101049640025
114995490a5
122536326a1
131395ca795
149d58dc37
15622396ba
hex3e903c59

1049640025 has 48 divisors (see below), whose sum is σ = 1533136000. Its totient is φ = 712514880.

The previous prime is 1049640017. The next prime is 1049640077. The reversal of 1049640025 is 5200469401.

1049640025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1049640025 - 23 = 1049640017 is a prime.

It is a super-2 number, since 2×10496400252 = 2203488364164001250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 934114 + ... + 935236.

Almost surely, 21049640025 is an apocalyptic number.

It is an amenable number.

1049640025 is a deficient number, since it is larger than the sum of its proper divisors (483495975).

1049640025 is a wasteful number, since it uses less digits than its factorization.

1049640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1049640025 is about 32398.1484810475. The cubic root of 1049640025 is about 1016.2801920218.

The spelling of 1049640025 in words is "one billion, forty-nine million, six hundred forty thousand, twenty-five".

Divisors: 1 5 7 25 35 49 109 175 245 343 545 763 1123 1225 1715 2725 3815 5341 5615 7861 8575 19075 26705 28075 37387 39305 55027 122407 133525 186935 196525 275135 385189 612035 856849 934675 1375675 1925945 3060175 4284245 5997943 9629725 21421225 29989715 41985601 149948575 209928005 1049640025