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2958838840 = 235193893209
BaseRepresentation
bin1011000001011100…
…0100110000111000
321122012120120211201
42300113010300320
522024430320330
61205334103544
7133215500206
oct26027046070
97565516751
102958838840
111289207461
126a6aaabb4
13382002319
14200d70076
15124b62eca
hexb05c4c38

2958838840 has 32 divisors (see below), whose sum is σ = 7007778000. Its totient is φ = 1121243904.

The previous prime is 2958838837. The next prime is 2958838843. The reversal of 2958838840 is 488388592.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2958838837) and next prime (2958838843).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2958838843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1945845 + ... + 1947364.

Almost surely, 22958838840 is an apocalyptic number.

2958838840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2958838840 is an abundant number, since it is smaller than the sum of its proper divisors (4048939160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2958838840 is a wasteful number, since it uses less digits than its factorization.

2958838840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893239 (or 3893235 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The square root of 2958838840 is about 54395.2097155623. The cubic root of 2958838840 is about 1435.6230974177.

The spelling of 2958838840 in words is "two billion, nine hundred fifty-eight million, eight hundred thirty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 3893209 7786418 15572836 19466045 31145672 38932090 73970971 77864180 147941942 155728360 295883884 369854855 591767768 739709710 1479419420 2958838840