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1242373408 = 25197197077
BaseRepresentation
bin100101000001101…
…0001110100100000
310012120202002220221
41022003101310200
510021021422113
6323140212424
742533666623
oct11203216440
93176662827
101242373408
11588318591
122a809a114
1316a50c3c3
14baddddba
157410a98d
hex4a0d1d20

1242373408 has 24 divisors (see below), whose sum is σ = 2458350972. Its totient is φ = 618030336.

The previous prime is 1242373373. The next prime is 1242373409. The reversal of 1242373408 is 8043732421.

It can be written as a sum of positive squares in 2 ways, for example, as 886371984 + 356001424 = 29772^2 + 18868^2 .

It is not an unprimeable number, because it can be changed into a prime (1242373409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92235 + ... + 104842.

Almost surely, 21242373408 is an apocalyptic number.

It is an amenable number.

1242373408 is a deficient number, since it is larger than the sum of its proper divisors (1215977564).

1242373408 is a wasteful number, since it uses less digits than its factorization.

1242373408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197284 (or 197276 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1242373408 is about 35247.3177419219. The cubic root of 1242373408 is about 1075.0220750470.

The spelling of 1242373408 in words is "one billion, two hundred forty-two million, three hundred seventy-three thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 197 394 788 1576 3152 6304 197077 394154 788308 1576616 3153232 6306464 38824169 77648338 155296676 310593352 621186704 1242373408