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38540424 = 23313123527
BaseRepresentation
bin1001001100000…
…1010010001000
32200112001112010
42103001102020
534331243144
63454015520
7645405516
oct223012210
980461463
1038540424
111a833a9a
1210aa75a0
137ca53b0
1451934b6
1535b45b9
hex24c1488

38540424 has 32 divisors (see below), whose sum is σ = 103763520. Its totient is φ = 11858496.

The previous prime is 38540413. The next prime is 38540431. The reversal of 38540424 is 42404583.

It is a junction number, because it is equal to n+sod(n) for n = 38540391 and 38540400.

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, 61452 + ... + 62075.

It is an arithmetic number, because the mean of its divisors is an integer number (3242610).

Almost surely, 238540424 is an apocalyptic number.

It is an amenable number.

38540424 is an abundant number, since it is smaller than the sum of its proper divisors (65223096).

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

38540424 is a wasteful number, since it uses less digits than its factorization.

38540424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123549 (or 123545 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 38540424 is about 6208.0934271320. The cubic root of 38540424 is about 337.7838095581.

The spelling of 38540424 in words is "thirty-eight million, five hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 123527 247054 370581 494108 741162 988216 1482324 1605851 2964648 3211702 4817553 6423404 9635106 12846808 19270212 38540424