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1058931389 = 19277201203
BaseRepresentation
bin111111000111100…
…000001010111101
32201210120021210002
4333013200022331
54132041301024
6253024324045
735145524345
oct7707401275
92653507702
101058931389
114a381490a
12256773625
1313b501929
14a08cbd25
1562e726ae
hex3f1e02bd

1058931389 has 8 divisors (see below), whose sum is σ = 1118694240. Its totient is φ = 999571536.

The previous prime is 1058931383. The next prime is 1058931397. The reversal of 1058931389 is 9831398501.

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

It is a cyclic number.

It is not a de Polignac number, because 1058931389 - 228 = 790495933 is a prime.

It is a super-2 number, since 2×10589313892 = 2242671373218938642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058931383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95339 + ... + 105864.

It is an arithmetic number, because the mean of its divisors is an integer number (139836780).

Almost surely, 21058931389 is an apocalyptic number.

1058931389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1058931389 is a deficient number, since it is larger than the sum of its proper divisors (59762851).

1058931389 is a wasteful number, since it uses less digits than its factorization.

1058931389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201499.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 1058931389 is about 32541.2259910410. The cubic root of 1058931389 is about 1019.2700753080.

The spelling of 1058931389 in words is "one billion, fifty-eight million, nine hundred thirty-one thousand, three hundred eighty-nine".

Divisors: 1 19 277 5263 201203 3822857 55733231 1058931389