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2049990548 = 22523979919
BaseRepresentation
bin111101000110000…
…0101111110010100
312021212102022100212
41322030011332110
513144244144143
6535230224552
7101541426554
oct17214057624
95255368325
102049990548
11962191271
12492655158
1326892b378
1415638d164
15bee89918
hex7a305f94

2049990548 has 12 divisors (see below), whose sum is σ = 3594346560. Its totient is φ = 1023034392.

The previous prime is 2049990479. The next prime is 2049990571. The reversal of 2049990548 is 8450999402.

It is a happy number.

It is a super-2 number, since 2×20499905482 = 8404922493778680608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2049990496 and 2049990505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487868 + ... + 492051.

It is an arithmetic number, because the mean of its divisors is an integer number (299528880).

Almost surely, 22049990548 is an apocalyptic number.

It is an amenable number.

2049990548 is a deficient number, since it is larger than the sum of its proper divisors (1544356012).

2049990548 is a wasteful number, since it uses less digits than its factorization.

2049990548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980446 (or 980444 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2049990548 is about 45276.8213106883. The cubic root of 2049990548 is about 1270.3321403796.

The spelling of 2049990548 in words is "two billion, forty-nine million, nine hundred ninety thousand, five hundred forty-eight".

Divisors: 1 2 4 523 1046 2092 979919 1959838 3919676 512497637 1024995274 2049990548