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1049230408 = 23131153801
BaseRepresentation
bin111110100010011…
…111110001001000
32201010022102112111
4332202133301020
54122100333113
6252040352104
735000211532
oct7642376110
92633272474
101049230408
11499299376
12253475634
131394b61c5
149d4c4852
15621a813d
hex3e89fc48

1049230408 has 8 divisors (see below), whose sum is σ = 1967307030. Its totient is φ = 524615200.

The previous prime is 1049230367. The next prime is 1049230417. The reversal of 1049230408 is 8040329401.

It can be written as a sum of positive squares in only one way, i.e., 728892004 + 320338404 = 26998^2 + 17898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10492304082 = 2201768898143692928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049230408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65576893 + ... + 65576908.

Almost surely, 21049230408 is an apocalyptic number.

It is an amenable number.

1049230408 is a deficient number, since it is larger than the sum of its proper divisors (918076622).

1049230408 is a wasteful number, since it uses less digits than its factorization.

1049230408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131153807 (or 131153803 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1049230408 is about 32391.8262529299. The cubic root of 1049230408 is about 1016.1479753264.

Adding to 1049230408 its reverse (8040329401), we get a palindrome (9089559809).

The spelling of 1049230408 in words is "one billion, forty-nine million, two hundred thirty thousand, four hundred eight".

Divisors: 1 2 4 8 131153801 262307602 524615204 1049230408