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384290207 = 779694919
BaseRepresentation
bin10110111001111…
…100110110011111
3222210002222001122
4112321330312133
51241334241312
6102044401155
712344261420
oct2671746637
9883088048
10384290207
11187a15a14
12a88461bb
1361800b72
1439075647
1523b0db72
hex16e7cd9f

384290207 has 8 divisors (see below), whose sum is σ = 444748800. Its totient is φ = 325221624.

The previous prime is 384290191. The next prime is 384290209. The reversal of 384290207 is 702092483.

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

It is not a de Polignac number, because 384290207 - 24 = 384290191 is a prime.

It is a super-2 number, since 2×3842902072 = 295357926392205698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384290209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346907 + ... + 348012.

It is an arithmetic number, because the mean of its divisors is an integer number (55593600).

Almost surely, 2384290207 is an apocalyptic number.

384290207 is a deficient number, since it is larger than the sum of its proper divisors (60458593).

384290207 is an equidigital number, since it uses as much as digits as its factorization.

384290207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695005.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 384290207 is about 19603.3213257346. The cubic root of 384290207 is about 727.0312955794.

It can be divided in two parts, 3842 and 90207, that added together give a palindrome (94049).

The spelling of 384290207 in words is "three hundred eighty-four million, two hundred ninety thousand, two hundred seven".

Divisors: 1 7 79 553 694919 4864433 54898601 384290207