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34281985 = 519360863
BaseRepresentation
bin1000001011000…
…1101000000001
32101111201001011
42002301220001
532234010420
63222440521
7564251323
oct202615001
971451034
1034281985
1118395621
12b593141
137143cca
1447a5613
15302295a
hex20b1a01

34281985 has 8 divisors (see below), whose sum is σ = 43303680. Its totient is φ = 25982064.

The previous prime is 34281967. The next prime is 34281991. The reversal of 34281985 is 58918243.

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 34281985 - 213 = 34273793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180337 + ... + 180526.

It is an arithmetic number, because the mean of its divisors is an integer number (5412960).

Almost surely, 234281985 is an apocalyptic number.

It is an amenable number.

34281985 is a deficient number, since it is larger than the sum of its proper divisors (9021695).

34281985 is a wasteful number, since it uses less digits than its factorization.

34281985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360887.

The product of its digits is 69120, while the sum is 40.

The square root of 34281985 is about 5855.0819806387. The cubic root of 34281985 is about 324.8543252465.

The spelling of 34281985 in words is "thirty-four million, two hundred eighty-one thousand, nine hundred eighty-five".

Divisors: 1 5 19 95 360863 1804315 6856397 34281985