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378020765 = 5471608599
BaseRepresentation
bin10110100010000…
…010001110011101
3222100022110000002
4112202002032131
51233233131030
6101302144045
712240060233
oct2642021635
9870273002
10378020765
11184423661
12a6722025
1360417335
14382c2953
15232c1245
hex1688239d

378020765 has 8 divisors (see below), whose sum is σ = 463276800. Its totient is φ = 295982032.

The previous prime is 378020711. The next prime is 378020777. The reversal of 378020765 is 567020873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378020765 - 26 = 378020701 is a prime.

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, 804065 + ... + 804534.

It is an arithmetic number, because the mean of its divisors is an integer number (57909600).

Almost surely, 2378020765 is an apocalyptic number.

It is an amenable number.

378020765 is a deficient number, since it is larger than the sum of its proper divisors (85256035).

378020765 is a wasteful number, since it uses less digits than its factorization.

378020765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608651.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 378020765 is about 19442.7561060669. The cubic root of 378020765 is about 723.0559188525.

The spelling of 378020765 in words is "three hundred seventy-eight million, twenty thousand, seven hundred sixty-five".

Divisors: 1 5 47 235 1608599 8042995 75604153 378020765