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742900038 = 23196516667
BaseRepresentation
bin101100010001111…
…100000101000110
31220202220020021020
4230101330011012
53010140300123
6201414532010
724260355216
oct5421740506
91822806236
10742900038
11351390881
12188967006
13babacc2a
1470944246
15453487e3
hex2c47c146

742900038 has 16 divisors (see below), whose sum is σ = 1564000320. Its totient is φ = 234599976.

The previous prime is 742900031. The next prime is 742900043. The reversal of 742900038 is 830009247.

It is a junction number, because it is equal to n+sod(n) for n = 742899981 and 742900008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742900031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3258220 + ... + 3258447.

It is an arithmetic number, because the mean of its divisors is an integer number (97750020).

Almost surely, 2742900038 is an apocalyptic number.

742900038 is an abundant number, since it is smaller than the sum of its proper divisors (821100282).

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

742900038 is a wasteful number, since it uses less digits than its factorization.

742900038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516691.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 742900038 is about 27256.1926541474. The cubic root of 742900038 is about 905.6842044672.

The spelling of 742900038 in words is "seven hundred forty-two million, nine hundred thousand, thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 6516667 13033334 19550001 39100002 123816673 247633346 371450019 742900038