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38923474790 = 2522317454473
BaseRepresentation
bin100100010000000001…
…010001011101100110
310201110122101101112102
4210100001101131212
51114203402143130
625514201052102
72545363035224
oct442001213546
9121418341472
1038923474790
1115564317792
127663487032
1338940307b5
141c5361db14
15102c23b645
hex910051766

38923474790 has 16 divisors (see below), whose sum is σ = 70376439168. Its totient is φ = 15499571136.

The previous prime is 38923474787. The next prime is 38923474817. The reversal of 38923474790 is 9747432983.

It is a congruent number.

It is an unprimeable number.

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, 8725007 + ... + 8729466.

It is an arithmetic number, because the mean of its divisors is an integer number (4398527448).

Almost surely, 238923474790 is an apocalyptic number.

38923474790 is a deficient number, since it is larger than the sum of its proper divisors (31452964378).

38923474790 is a wasteful number, since it uses less digits than its factorization.

38923474790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17454703.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 38923474790 in words is "thirty-eight billion, nine hundred twenty-three million, four hundred seventy-four thousand, seven hundred ninety".

Divisors: 1 2 5 10 223 446 1115 2230 17454473 34908946 87272365 174544730 3892347479 7784694958 19461737395 38923474790