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1242659308 = 221128242257
BaseRepresentation
bin100101000010001…
…0111100111101100
310012121021122002211
41022010113213230
510021110044213
6323150300204
742536300302
oct11204274754
93177248084
101242659308
115884a3370
122a81b7664
1316a5ac587
14bb076272
157416553d
hex4a1179ec

1242659308 has 12 divisors (see below), whose sum is σ = 2372349672. Its totient is φ = 564845120.

The previous prime is 1242659293. The next prime is 1242659311. The reversal of 1242659308 is 8039562421.

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, 14121085 + ... + 14121172.

It is an arithmetic number, because the mean of its divisors is an integer number (197695806).

Almost surely, 21242659308 is an apocalyptic number.

It is an amenable number.

1242659308 is a deficient number, since it is larger than the sum of its proper divisors (1129690364).

1242659308 is a wasteful number, since it uses less digits than its factorization.

1242659308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242272 (or 28242270 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1242659308 is about 35251.3731363758. The cubic root of 1242659308 is about 1075.1045315334.

The spelling of 1242659308 in words is "one billion, two hundred forty-two million, six hundred fifty-nine thousand, three hundred eight".

Divisors: 1 2 4 11 22 44 28242257 56484514 112969028 310664827 621329654 1242659308