Search a number
-
+
250000239430 = 2525000023943
BaseRepresentation
bin1110100011010100101…
…1001110101101000110
3212220021221120000120001
43220311023032231012
513044000030130210
6310503140431514
724030144654544
oct3506513165506
9786257500501
10250000239430
119702a688127
12405506a859a
131a762143b76
14c158874d94
156782d6503a
hex3a352ceb46

250000239430 has 8 divisors (see below), whose sum is σ = 450000430992. Its totient is φ = 100000095768.

The previous prime is 250000239427. The next prime is 250000239431. The reversal of 250000239430 is 34932000052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250000239431) 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, 12500011962 + ... + 12500011981.

It is an arithmetic number, because the mean of its divisors is an integer number (56250053874).

Almost surely, 2250000239430 is an apocalyptic number.

250000239430 is a deficient number, since it is larger than the sum of its proper divisors (200000191562).

250000239430 is a wasteful number, since it uses less digits than its factorization.

250000239430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000023950.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 250000239430 its reverse (34932000052), we get a palindrome (284932239482).

The spelling of 250000239430 in words is "two hundred fifty billion, two hundred thirty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 25000023943 50000047886 125000119715 250000239430