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2145430302 = 23357571717
BaseRepresentation
bin111111111100000…
…1010101100011110
312112112000011002120
41333320022230132
513343212232202
6552520003410
7104110566561
oct17770125436
95475004076
102145430302
11a010485a4
124ba600566
132826362b2
14164d144d8
15c853d0bc
hex7fe0ab1e

2145430302 has 8 divisors (see below), whose sum is σ = 4290860616. Its totient is φ = 715143432.

The previous prime is 2145430279. The next prime is 2145430321. The reversal of 2145430302 is 2030345412.

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

2145430302 is an admirable number.

It is a super-2 number, since 2×21454303022 = 9205742361479622408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178785853 + ... + 178785864.

It is an arithmetic number, because the mean of its divisors is an integer number (536357577).

Almost surely, 22145430302 is an apocalyptic number.

2145430302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145430302 is a wasteful number, since it uses less digits than its factorization.

2145430302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357571722.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2145430302 is about 46318.7899453343. The cubic root of 2145430302 is about 1289.7478228291.

Adding to 2145430302 its reverse (2030345412), we get a palindrome (4175775714).

The spelling of 2145430302 in words is "two billion, one hundred forty-five million, four hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 357571717 715143434 1072715151 2145430302