Search a number
-
+
1055388067 = 17187133181
BaseRepresentation
bin111110111001111…
…111000110100011
32201112220021020221
4332321333012203
54130134404232
6252420343511
735103436066
oct7671770643
92645807227
101055388067
114a1814748
12255544b97
1313a860ba6
14a02488dd
15629c2897
hex3ee7f1a3

1055388067 has 8 divisors (see below), whose sum is σ = 1118100672. Its totient is φ = 992745600.

The previous prime is 1055388053. The next prime is 1055388107. The reversal of 1055388067 is 7608835501.

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

It is a de Polignac number, because none of the positive numbers 2k-1055388067 is a prime.

It is a super-2 number, since 2×10553880672 = 2227687943931992978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055388167) 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, 15217 + ... + 48397.

It is an arithmetic number, because the mean of its divisors is an integer number (139762584).

Almost surely, 21055388067 is an apocalyptic number.

1055388067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1055388067 is a deficient number, since it is larger than the sum of its proper divisors (62712605).

1055388067 is a wasteful number, since it uses less digits than its factorization.

1055388067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35069.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 1055388067 is about 32486.7367859562. The cubic root of 1055388067 is about 1018.1319348766.

The spelling of 1055388067 in words is "one billion, fifty-five million, three hundred eighty-eight thousand, sixty-seven".

Divisors: 1 17 1871 31807 33181 564077 62081651 1055388067