Search a number
-
+
12402379 = 112102499
BaseRepresentation
bin101111010011…
…111011001011
3212100002212101
4233103323023
511133334004
61121454231
7210263353
oct57237313
925302771
1012402379
117001100
1241a1377
1327531b2
14190bb63
15114eba4
hexbd3ecb

12402379 has 6 divisors (see below), whose sum is σ = 13632500. Its totient is φ = 11274780.

The previous prime is 12402353. The next prime is 12402389. The reversal of 12402379 is 97320421.

12402379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12402379 - 27 = 12402251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12402349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51129 + ... + 51370.

Almost surely, 212402379 is an apocalyptic number.

12402379 is a deficient number, since it is larger than the sum of its proper divisors (1230121).

12402379 is a wasteful number, since it uses less digits than its factorization.

12402379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102521 (or 102510 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12402379 is about 3521.7011514324. The cubic root of 12402379 is about 231.4737066764.

The spelling of 12402379 in words is "twelve million, four hundred two thousand, three hundred seventy-nine".

Divisors: 1 11 121 102499 1127489 12402379