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421055354 = 21712383981
BaseRepresentation
bin11001000110001…
…100101101111010
31002100021211100202
4121012030231322
51330242232404
6105440402202
713301624426
oct3106145572
91070254322
10421055354
111a6747135
12b9016362
13693041a5
143dcc5b86
1526e7221e
hex1918cb7a

421055354 has 8 divisors (see below), whose sum is σ = 668735028. Its totient is φ = 198143680.

The previous prime is 421055339. The next prime is 421055359. The reversal of 421055354 is 453550124.

It can be written as a sum of positive squares in 2 ways, for example, as 404935129 + 16120225 = 20123^2 + 4015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4210553542 = 354575222264130632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421055359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191957 + ... + 6192024.

Almost surely, 2421055354 is an apocalyptic number.

421055354 is a deficient number, since it is larger than the sum of its proper divisors (247679674).

421055354 is a wasteful number, since it uses less digits than its factorization.

421055354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384000.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 421055354 is about 20519.6333787912. The cubic root of 421055354 is about 749.5139689516.

The spelling of 421055354 in words is "four hundred twenty-one million, fifty-five thousand, three hundred fifty-four".

Divisors: 1 2 17 34 12383981 24767962 210527677 421055354