Search a number
-
+
670251401 = 17215115359
BaseRepresentation
bin100111111100110…
…011100110001001
31201201012022001222
4213330303212021
52333041021101
6150301451425
722416020501
oct4774634611
91651168058
10670251401
11314380886
12168570b75
13a8b24981
1465032a01
153dc9801b
hex27f33989

670251401 has 12 divisors (see below), whose sum is σ = 716759040. Its totient is φ = 626606400.

The previous prime is 670251389. The next prime is 670251479. The reversal of 670251401 is 104152076.

It is not a de Polignac number, because 670251401 - 222 = 666057097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670251481) 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 11 ways as a sum of consecutive naturals, for example, 35960 + ... + 51318.

It is an arithmetic number, because the mean of its divisors is an integer number (59729920).

Almost surely, 2670251401 is an apocalyptic number.

It is an amenable number.

670251401 is a deficient number, since it is larger than the sum of its proper divisors (46507639).

670251401 is a wasteful number, since it uses less digits than its factorization.

670251401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544 (or 15527 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 670251401 is about 25889.2139896135. The cubic root of 670251401 is about 875.1434435853.

The spelling of 670251401 in words is "six hundred seventy million, two hundred fifty-one thousand, four hundred one".

Divisors: 1 17 151 289 2567 15359 43639 261103 2319209 4438751 39426553 670251401