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203040426 = 23292514649
BaseRepresentation
bin11000001101000…
…10011010101010
3112011001112002210
430012202122222
5403434243201
632051505550
75013546411
oct1406423252
9464045083
10203040426
11a467a306
1257bb82b6
13330b0184
141cd74478
1512c5a1d6
hexc1a26aa

203040426 has 32 divisors (see below), whose sum is σ = 421848000. Its totient is φ = 65072000.

The previous prime is 203040419. The next prime is 203040427. The reversal of 203040426 is 624040302.

It is a super-2 number, since 2×2030404262 = 82450829180522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203040427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41350 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (13182750).

Almost surely, 2203040426 is an apocalyptic number.

203040426 is an abundant number, since it is smaller than the sum of its proper divisors (218807574).

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

203040426 is a wasteful number, since it uses less digits than its factorization.

203040426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203040426 is about 14249.2254526343. The cubic root of 203040426 is about 587.7520762847.

Adding to 203040426 its reverse (624040302), we get a palindrome (827080728).

The spelling of 203040426 in words is "two hundred three million, forty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 29 58 87 174 251 502 753 1506 4649 7279 9298 13947 14558 21837 27894 43674 134821 269642 404463 808926 1166899 2333798 3500697 7001394 33840071 67680142 101520213 203040426