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380013407 = 3112258497
BaseRepresentation
bin10110101001101…
…000101101011111
3222111001200101122
4112221220231133
51234240412112
6101413001155
712263026544
oct2651505537
9874050348
10380013407
11185564774
12a73231bb
1360964307
1438680bcb
1523566872
hex16a68b5f

380013407 has 4 divisors (see below), whose sum is σ = 392271936. Its totient is φ = 367754880.

The previous prime is 380013353. The next prime is 380013437. The reversal of 380013407 is 704310083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380013407 - 210 = 380012383 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 (380013437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6129218 + ... + 6129279.

It is an arithmetic number, because the mean of its divisors is an integer number (98067984).

Almost surely, 2380013407 is an apocalyptic number.

380013407 is a deficient number, since it is larger than the sum of its proper divisors (12258529).

380013407 is a wasteful number, since it uses less digits than its factorization.

380013407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258528.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 380013407 is about 19493.9325688790. The cubic root of 380013407 is about 724.3241625772.

The spelling of 380013407 in words is "three hundred eighty million, thirteen thousand, four hundred seven".

Divisors: 1 31 12258497 380013407