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421790950 = 25271205117
BaseRepresentation
bin11001001001000…
…000010011100110
31002101200012102001
4121021000103212
51330434302300
6105504235514
713311110140
oct3111002346
91071605361
10421790950
111a70a9869
12b930bb9a
1369500c59
1440037c90
152706a16a
hex192404e6

421790950 has 24 divisors (see below), whose sum is σ = 896607792. Its totient is φ = 144613920.

The previous prime is 421790921. The next prime is 421790953. The reversal of 421790950 is 59097124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421790953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602209 + ... + 602908.

It is an arithmetic number, because the mean of its divisors is an integer number (37358658).

Almost surely, 2421790950 is an apocalyptic number.

421790950 is an abundant number, since it is smaller than the sum of its proper divisors (474816842).

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

421790950 is a wasteful number, since it uses less digits than its factorization.

421790950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205136 (or 1205131 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 421790950 is about 20537.5497564826. The cubic root of 421790950 is about 749.9501892845.

It can be divided in two parts, 421790 and 950, that added together give a triangular number (422740 = T919).

The spelling of 421790950 in words is "four hundred twenty-one million, seven hundred ninety thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1205117 2410234 6025585 8435819 12051170 16871638 30127925 42179095 60255850 84358190 210895475 421790950