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1054231809 = 32912117607
BaseRepresentation
bin111110110101100…
…100110100000001
32201110201112011120
4332311210310001
54124340404214
6252335502453
735060552061
oct7665446401
92643645146
101054231809
114a10a4a64
12255087a29
1313a547807
14a00273a1
1562844ea9
hex3ed64d01

1054231809 has 8 divisors (see below), whose sum is σ = 1454112960. Its totient is φ = 678585936.

The previous prime is 1054231799. The next prime is 1054231819. The reversal of 1054231809 is 9081324501.

1054231809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1054231799) and next prime (1054231819).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054231809 - 27 = 1054231681 is a prime.

It is a super-2 number, since 2×10542318092 = 2222809414214824962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054231809.

It is not an unprimeable number, because it can be changed into a prime (1054231819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6058717 + ... + 6058890.

It is an arithmetic number, because the mean of its divisors is an integer number (181764120).

Almost surely, 21054231809 is an apocalyptic number.

It is an amenable number.

1054231809 is a deficient number, since it is larger than the sum of its proper divisors (399881151).

1054231809 is a wasteful number, since it uses less digits than its factorization.

1054231809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117639.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1054231809 is about 32468.9360620270. The cubic root of 1054231809 is about 1017.7599853205.

The spelling of 1054231809 in words is "one billion, fifty-four million, two hundred thirty-one thousand, eight hundred nine".

Divisors: 1 3 29 87 12117607 36352821 351410603 1054231809