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740000038 = 217181120247
BaseRepresentation
bin101100000110111…
…000000100100110
31220120102220012211
4230012320010212
53003420000123
6201232434034
724223616341
oct5406700446
91816386184
10740000038
1134a78aa88
121879a891a
13ba405c5b
14703cb458
1544e7440d
hex2c1b8126

740000038 has 16 divisors (see below), whose sum is σ = 1181797344. Its totient is φ = 346308480.

The previous prime is 739999961. The next prime is 740000117. The reversal of 740000038 is 830000047.

It is a junction number, because it is equal to n+sod(n) for n = 739999973 and 740000018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53970 + ... + 66277.

It is an arithmetic number, because the mean of its divisors is an integer number (73862334).

Almost surely, 2740000038 is an apocalyptic number.

740000038 is a deficient number, since it is larger than the sum of its proper divisors (441797306).

740000038 is a wasteful number, since it uses less digits than its factorization.

740000038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120447.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 740000038 is about 27202.9417159248. The cubic root of 740000038 is about 904.5041851335.

Subtracting 740000038 from its reverse (830000047), we obtain a palindrome (90000009).

The spelling of 740000038 in words is "seven hundred forty million, thirty-eight", and thus it is an aban number.

Divisors: 1 2 17 34 181 362 3077 6154 120247 240494 2044199 4088398 21764707 43529414 370000019 740000038