Search a number
-
+
1020030625 = 543674447
BaseRepresentation
bin111100110011000…
…110111010100001
32122002100220222001
4330303012322201
54042111440000
6245114444001
734164055135
oct7463067241
92562326861
101020030625
11483865119
12245733601
13133431523
14996833c5
155e83b46a
hex3ccc6ea1

1020030625 has 20 divisors (see below), whose sum is σ = 1278390784. Its totient is φ = 813618000.

The previous prime is 1020030619. The next prime is 1020030631. The reversal of 1020030625 is 5260300201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020030619) and next prime (1020030631).

It is not a de Polignac number, because 1020030625 - 27 = 1020030497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227152 + ... + 231598.

Almost surely, 21020030625 is an apocalyptic number.

It is an amenable number.

1020030625 is a deficient number, since it is larger than the sum of its proper divisors (258360159).

1020030625 is an frugal number, since it uses more digits than its factorization.

1020030625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020030625 is about 31937.9182947167. The cubic root of 1020030625 is about 1006.6327839104.

Adding to 1020030625 its reverse (5260300201), we get a palindrome (6280330826).

The spelling of 1020030625 in words is "one billion, twenty million, thirty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 367 625 1835 4447 9175 22235 45875 111175 229375 555875 1632049 2779375 8160245 40801225 204006125 1020030625