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623002130 = 2562300213
BaseRepresentation
bin100101001000100…
…100001000010010
31121102021210020222
4211020210020102
52233442032010
6141453033042
721303300512
oct4510441022
91542253228
10623002130
1129a7397a3
12154785782
139c0c061a
145ca53842
1539a63355
hex25224212

623002130 has 8 divisors (see below), whose sum is σ = 1121403852. Its totient is φ = 249200848.

The previous prime is 623002129. The next prime is 623002139. The reversal of 623002130 is 31200326.

It can be written as a sum of positive squares in 2 ways, for example, as 591316489 + 31685641 = 24317^2 + 5629^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 623002099 and 623002108.

It is not an unprimeable number, because it can be changed into a prime (623002139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31150097 + ... + 31150116.

Almost surely, 2623002130 is an apocalyptic number.

623002130 is a deficient number, since it is larger than the sum of its proper divisors (498401722).

623002130 is a wasteful number, since it uses less digits than its factorization.

623002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62300220.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 623002130 is about 24960.0106169849. The cubic root of 623002130 is about 854.0759849902.

Adding to 623002130 its reverse (31200326), we get a palindrome (654202456).

The spelling of 623002130 in words is "six hundred twenty-three million, two thousand, one hundred thirty".

Divisors: 1 2 5 10 62300213 124600426 311501065 623002130