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400230250 = 25371912037
BaseRepresentation
bin10111110110110…
…000011101101010
31000220002210200121
4113312300131222
51304424332000
6103414153454
712626621020
oct2766603552
91026083617
10400230250
11195a12a02
12b205288a
1364bc2344
143b224710
152520bb1a
hex17db076a

400230250 has 64 divisors (see below), whose sum is σ = 901405440. Its totient is φ = 129988800.

The previous prime is 400230227. The next prime is 400230317. The reversal of 400230250 is 52032004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27232 + ... + 39268.

It is an arithmetic number, because the mean of its divisors is an integer number (14084460).

Almost surely, 2400230250 is an apocalyptic number.

400230250 is an abundant number, since it is smaller than the sum of its proper divisors (501175190).

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

400230250 is a wasteful number, since it uses less digits than its factorization.

400230250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080 (or 12070 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 400230250 is about 20005.7554218780. The cubic root of 400230250 is about 736.9476473192.

Adding to 400230250 its reverse (52032004), we get a palindrome (452262254).

The spelling of 400230250 in words is "four hundred million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 70 95 125 133 175 190 250 266 350 475 665 875 950 1330 1750 2375 3325 4750 6650 12037 16625 24074 33250 60185 84259 120370 168518 228703 300925 421295 457406 601850 842590 1143515 1504625 1600921 2106475 2287030 3009250 3201842 4212950 5717575 8004605 10532375 11435150 16009210 21064750 28587875 40023025 57175750 80046050 200115125 400230250