Search a number
-
+
2232142450 = 252221320173
BaseRepresentation
bin1000010100001011…
…1100101001110010
312202120011120210121
42011002330221302
514032412024300
61005254320454
7106212616636
oct20502745162
95676146717
102232142450
11a45a9372a
1252365912a
132975a6865
14172646dc6
15d0e6a81a
hex850bca72

2232142450 has 24 divisors (see below), whose sum is σ = 4153866948. Its totient is φ = 892409280.

The previous prime is 2232142391. The next prime is 2232142469. The reversal of 2232142450 is 542412322.

It can be written as a sum of positive squares in 6 ways, for example, as 2139155001 + 92987449 = 46251^2 + 9643^2 .

It is a super-3 number, since 3×22321424503 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100564 + ... + 120736.

Almost surely, 22232142450 is an apocalyptic number.

2232142450 is a deficient number, since it is larger than the sum of its proper divisors (1921724498).

2232142450 is a wasteful number, since it uses less digits than its factorization.

2232142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398 (or 22393 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2232142450 is about 47245.5548173582. The cubic root of 2232142450 is about 1306.8948169776.

Adding to 2232142450 its reverse (542412322), we get a palindrome (2774554772).

The spelling of 2232142450 in words is "two billion, two hundred thirty-two million, one hundred forty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2213 4426 11065 20173 22130 40346 55325 100865 110650 201730 504325 1008650 44642849 89285698 223214245 446428490 1116071225 2232142450