Search a number
-
+
190620002 = 295310001
BaseRepresentation
bin10110101110010…
…10000101100010
3111021200111111002
423113022011202
5342244320002
630525352002
74503146306
oct1327120542
9437614432
10190620002
11986666a1
1253a08602
1330651a01
141b45dd06
1511b05002
hexb5ca162

190620002 has 4 divisors (see below), whose sum is σ = 285930006. Its totient is φ = 95310000.

The previous prime is 190619999. The next prime is 190620007. The reversal of 190620002 is 200026091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200026091 = 1910527689.

It can be written as a sum of positive squares in only one way, i.e., 175324081 + 15295921 = 13241^2 + 3911^2 .

It is not an unprimeable number, because it can be changed into a prime (190620007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47654999 + ... + 47655002.

Almost surely, 2190620002 is an apocalyptic number.

190620002 is a deficient number, since it is larger than the sum of its proper divisors (95310004).

190620002 is an equidigital number, since it uses as much as digits as its factorization.

190620002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95310003.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 190620002 is about 13806.5202712342. The cubic root of 190620002 is about 575.5143495961.

Adding to 190620002 its reverse (200026091), we get a palindrome (390646093).

The spelling of 190620002 in words is "one hundred ninety million, six hundred twenty thousand, two".

Divisors: 1 2 95310001 190620002