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378240742 = 21122217741
BaseRepresentation
bin10110100010110…
…111111011100110
3222100201121202101
4112202313323212
51233312200432
6101311002314
712241664455
oct2642677346
9870647671
10378240742
11184563960
12a680939a
13604934b9
143833cb9c
15233164e7
hex168b7ee6

378240742 has 16 divisors (see below), whose sum is σ = 619298064. Its totient is φ = 171828000.

The previous prime is 378240739. The next prime is 378240761. The reversal of 378240742 is 247042873.

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, 44992 + ... + 52732.

It is an arithmetic number, because the mean of its divisors is an integer number (38706129).

Almost surely, 2378240742 is an apocalyptic number.

378240742 is a deficient number, since it is larger than the sum of its proper divisors (241057322).

378240742 is a wasteful number, since it uses less digits than its factorization.

378240742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9975.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 378240742 is about 19448.4123259458. The cubic root of 378240742 is about 723.1961446850.

The spelling of 378240742 in words is "three hundred seventy-eight million, two hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 11 22 2221 4442 7741 15482 24431 48862 85151 170302 17192761 34385522 189120371 378240742