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2152905498 = 232119605861
BaseRepresentation
bin1000000001010010…
…1011101100011010
312120001001221010200
42000110223230122
513402120433443
6553344123030
7104231252262
oct20024535432
95501057120
102152905498
11a05293847
12501006476
132840528a3
14165cdc7a2
15c9017dd3
hex8052bb1a

2152905498 has 12 divisors (see below), whose sum is σ = 4664628618. Its totient is φ = 717635160.

The previous prime is 2152905463. The next prime is 2152905511. The reversal of 2152905498 is 8945092512.

It is a happy number.

2152905498 is a `hidden beast` number, since 2 + 15 + 2 + 90 + 549 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1495136889 + 657768609 = 38667^2 + 25647^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 59802913 + ... + 59802948.

Almost surely, 22152905498 is an apocalyptic number.

2152905498 is an abundant number, since it is smaller than the sum of its proper divisors (2511723120).

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

2152905498 is a wasteful number, since it uses less digits than its factorization.

2152905498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119605869 (or 119605866 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 2152905498 is about 46399.4126902486. The cubic root of 2152905498 is about 1291.2440171755.

The spelling of 2152905498 in words is "two billion, one hundred fifty-two million, nine hundred five thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 9 18 119605861 239211722 358817583 717635166 1076452749 2152905498