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334221985 = 5103364709
BaseRepresentation
bin10011111010111…
…101001010100001
3212021220020101001
4103322331022201
51141030100420
653055312001
711165561056
oct2372751241
9767806331
10334221985
11161728a19
1293b1b601
13543206b6
143256102d
151e51db0a
hex13ebd2a1

334221985 has 8 divisors (see below), whose sum is σ = 401460840. Its totient is φ = 267114624.

The previous prime is 334221983. The next prime is 334221991. The reversal of 334221985 is 589122433.

It can be written as a sum of positive squares in 4 ways, for example, as 181279296 + 152942689 = 13464^2 + 12367^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 334221985 - 21 = 334221983 is a prime.

It is a super-2 number, since 2×3342219852 = 223408670514680450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (334221983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27190 + ... + 37519.

It is an arithmetic number, because the mean of its divisors is an integer number (50182605).

Almost surely, 2334221985 is an apocalyptic number.

It is an amenable number.

334221985 is a deficient number, since it is larger than the sum of its proper divisors (67238855).

334221985 is a wasteful number, since it uses less digits than its factorization.

334221985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65747.

The product of its digits is 51840, while the sum is 37.

The square root of 334221985 is about 18281.7391131150. The cubic root of 334221985 is about 693.9768842636.

The spelling of 334221985 in words is "three hundred thirty-four million, two hundred twenty-one thousand, nine hundred eighty-five".

Divisors: 1 5 1033 5165 64709 323545 66844397 334221985