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2058457939 = 3166401869
BaseRepresentation
bin111101010110001…
…1001001101010011
312022110100111102221
41322230121031103
513203431123224
6540131521511
7102003414046
oct17254311523
95273314387
102058457939
11966a44a0a
12495459297
1326a604465
14157554c5d
15c0aad6e4
hex7ab19353

2058457939 has 4 divisors (see below), whose sum is σ = 2124859840. Its totient is φ = 1992056040.

The previous prime is 2058457927. The next prime is 2058457943. The reversal of 2058457939 is 9397548502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2058457939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2058457339) 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 3 ways as a sum of consecutive naturals, for example, 33200904 + ... + 33200965.

It is an arithmetic number, because the mean of its divisors is an integer number (531214960).

Almost surely, 22058457939 is an apocalyptic number.

2058457939 is a deficient number, since it is larger than the sum of its proper divisors (66401901).

2058457939 is an equidigital number, since it uses as much as digits as its factorization.

2058457939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66401900.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 2058457939 is about 45370.2318596676. The cubic root of 2058457939 is about 1272.0787538344.

The spelling of 2058457939 in words is "two billion, fifty-eight million, four hundred fifty-seven thousand, nine hundred thirty-nine".

Divisors: 1 31 66401869 2058457939