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2087144492 = 224313987299
BaseRepresentation
bin111110001100111…
…0100110000101100
312101110022220222212
41330121310300230
513233302110432
6543034425552
7102502302236
oct17431646054
95343286885
102087144492
11981158604
124a2b922b8
13273539654
1415b2a1256
15c33782b2
hex7c674c2c

2087144492 has 24 divisors (see below), whose sum is σ = 3764376000. Its totient is φ = 1011958416.

The previous prime is 2087144491. The next prime is 2087144513. The reversal of 2087144492 is 2944417802.

It is not an unprimeable number, because it can be changed into a prime (2087144491) 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, 19742 + ... + 67557.

It is an arithmetic number, because the mean of its divisors is an integer number (156849000).

Almost surely, 22087144492 is an apocalyptic number.

It is an amenable number.

2087144492 is a deficient number, since it is larger than the sum of its proper divisors (1677231508).

2087144492 is a wasteful number, since it uses less digits than its factorization.

2087144492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87485 (or 87483 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2087144492 is about 45685.2765341308. The cubic root of 2087144492 is about 1277.9607200553.

The spelling of 2087144492 in words is "two billion, eighty-seven million, one hundred forty-four thousand, four hundred ninety-two".

Divisors: 1 2 4 43 86 139 172 278 556 5977 11954 23908 87299 174598 349196 3753857 7507714 12134561 15015428 24269122 48538244 521786123 1043572246 2087144492