Search a number
-
+
302120414 = 2151060207
BaseRepresentation
bin10010000000011…
…111110111011110
3210001111022021222
4102000133313132
51104320323124
645551253342
710325660351
oct2200376736
9701438258
10302120414
111455a25a2
128521a252
134a790c9b
142c1a6298
151b7cc25e
hex1201fdde

302120414 has 4 divisors (see below), whose sum is σ = 453180624. Its totient is φ = 151060206.

The previous prime is 302120393. The next prime is 302120419. The reversal of 302120414 is 414021203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414021203 = 1125736779.

It is a junction number, because it is equal to n+sod(n) for n = 302120392 and 302120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302120419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75530102 + ... + 75530105.

It is an arithmetic number, because the mean of its divisors is an integer number (113295156).

Almost surely, 2302120414 is an apocalyptic number.

302120414 is a deficient number, since it is larger than the sum of its proper divisors (151060210).

302120414 is a wasteful number, since it uses less digits than its factorization.

302120414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151060209.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 302120414 is about 17381.6113752437. The cubic root of 302120414 is about 671.0064431541.

Adding to 302120414 its reverse (414021203), we get a palindrome (716141617).

The spelling of 302120414 in words is "three hundred two million, one hundred twenty thousand, four hundred fourteen".

Divisors: 1 2 151060207 302120414