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378540117 = 32271155203
BaseRepresentation
bin10110100100000…
…001000001010101
3222101021211102100
4112210001001111
51233401240432
6101321232313
712244352334
oct2644010125
9871254370
10378540117
1118474887a
12a6932699
1360569847
14383b9d1b
152337507c
hex16901055

378540117 has 12 divisors (see below), whose sum is σ = 548801344. Its totient is φ = 251427240.

The previous prime is 378540083. The next prime is 378540131. The reversal of 378540117 is 711045873.

It is not a de Polignac number, because 378540117 - 26 = 378540053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378540157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75163 + ... + 80040.

Almost surely, 2378540117 is an apocalyptic number.

It is an amenable number.

378540117 is a deficient number, since it is larger than the sum of its proper divisors (170261227).

378540117 is a wasteful number, since it uses less digits than its factorization.

378540117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155480 (or 155477 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 378540117 is about 19456.1074472773. The cubic root of 378540117 is about 723.3868959937.

The spelling of 378540117 in words is "three hundred seventy-eight million, five hundred forty thousand, one hundred seventeen".

Divisors: 1 3 9 271 813 2439 155203 465609 1396827 42060013 126180039 378540117