Search a number
-
+
1054968409 = 112931106681
BaseRepresentation
bin111110111000011…
…000101001011001
32201112002221121001
4332320120221121
54130032442114
6252403345001
735100040435
oct7670305131
92645087531
101054968409
114a1558420
12255382161
1313a744b81
14a01799c5
156293d374
hex3ee18a59

1054968409 has 16 divisors (see below), whose sum is σ = 1228976640. Its totient is φ = 896112000.

The previous prime is 1054968367. The next prime is 1054968419. The reversal of 1054968409 is 9048694501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1054968409 - 211 = 1054966361 is a prime.

It is a super-2 number, since 2×10549684092 = 2225916687975982562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054968419) 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, 43452 + ... + 63229.

It is an arithmetic number, because the mean of its divisors is an integer number (76811040).

Almost surely, 21054968409 is an apocalyptic number.

It is an amenable number.

1054968409 is a deficient number, since it is larger than the sum of its proper divisors (174008231).

1054968409 is a wasteful number, since it uses less digits than its factorization.

1054968409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106752.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1054968409 is about 32480.2772309597. The cubic root of 1054968409 is about 1017.9969690856.

The spelling of 1054968409 in words is "one billion, fifty-four million, nine hundred sixty-eight thousand, four hundred nine".

Divisors: 1 11 29 31 319 341 899 9889 106681 1173491 3093749 3307111 34031239 36378221 95906219 1054968409