Search a number
-
+
1045380973 = 71361188323
BaseRepresentation
bin111110010011110…
…011111101101101
32200212001212002211
4332103303331231
54120104142343
6251422050421
734622406640
oct7623637555
92625055084
101045380973
114970aa21a
12252119a11
13138769030
149cba1a57
1561b9779d
hex3e4f3f6d

1045380973 has 16 divisors (see below), whose sum is σ = 1307721856. Its totient is φ = 813551040.

The previous prime is 1045380953. The next prime is 1045380979. The reversal of 1045380973 is 3790835401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1045380973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045380979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88611 + ... + 99712.

It is an arithmetic number, because the mean of its divisors is an integer number (81732616).

Almost surely, 21045380973 is an apocalyptic number.

1045380973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1045380973 is a deficient number, since it is larger than the sum of its proper divisors (262340883).

1045380973 is a wasteful number, since it uses less digits than its factorization.

1045380973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188404.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1045380973 is about 32332.3518012532. The cubic root of 1045380973 is about 1014.9037652942.

The spelling of 1045380973 in words is "one billion, forty-five million, three hundred eighty thousand, nine hundred seventy-three".

Divisors: 1 7 13 61 91 427 793 5551 188323 1318261 2448199 11487703 17137393 80413921 149340139 1045380973