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420379466 = 21340212
BaseRepresentation
bin11001000011100…
…111101101001010
31002022000111012212
4121003213231022
51330104120331
6105414105122
713263111053
oct3103475512
91068014185
10420379466
111a6325351
12b894b1a2
1369128660
143db8b72a
1526d8bd2b
hex190e7b4a

420379466 has 12 divisors (see below), whose sum is σ = 679243446. Its totient is φ = 193973040.

The previous prime is 420379457. The next prime is 420379469. The reversal of 420379466 is 664973024.

It can be written as a sum of positive squares in 3 ways, for example, as 77352025 + 343027441 = 8795^2 + 18521^2 .

It is not an unprimeable number, because it can be changed into a prime (420379469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102536 + ... + 106556.

Almost surely, 2420379466 is an apocalyptic number.

420379466 is a deficient number, since it is larger than the sum of its proper divisors (258863980).

420379466 is an frugal number, since it uses more digits than its factorization.

420379466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 420379466 is about 20503.1574641566. The cubic root of 420379466 is about 749.1127083282.

The spelling of 420379466 in words is "four hundred twenty million, three hundred seventy-nine thousand, four hundred sixty-six".

Divisors: 1 2 13 26 4021 8042 52273 104546 16168441 32336882 210189733 420379466