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420434410 = 251137310247
BaseRepresentation
bin11001000011110…
…101000111101010
31002022010021120211
4121003311013222
51330112400120
6105415211334
713263430204
oct3103650752
91068107524
10420434410
111a6362660
12b8976b4a
1369147676
143dba3774
1526d9d25a
hex190f51ea

420434410 has 32 divisors (see below), whose sum is σ = 827874432. Its totient is φ = 152460480.

The previous prime is 420434407. The next prime is 420434437. The reversal of 420434410 is 14434024.

It is a super-2 number, since 2×4204344102 = 353530186224096200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35907 + ... + 46153.

It is an arithmetic number, because the mean of its divisors is an integer number (25871076).

Almost surely, 2420434410 is an apocalyptic number.

420434410 is a deficient number, since it is larger than the sum of its proper divisors (407440022).

420434410 is a wasteful number, since it uses less digits than its factorization.

420434410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420434410 is about 20504.4973115656. The cubic root of 420434410 is about 749.1453434900.

Adding to 420434410 its reverse (14434024), we get a palindrome (434868434).

The spelling of 420434410 in words is "four hundred twenty million, four hundred thirty-four thousand, four hundred ten".

Divisors: 1 2 5 10 11 22 55 110 373 746 1865 3730 4103 8206 10247 20494 20515 41030 51235 102470 112717 225434 563585 1127170 3822131 7644262 19110655 38221310 42043441 84086882 210217205 420434410