Search a number
-
+
34074247 = 231481489
BaseRepresentation
bin1000000111111…
…0111010000111
32101010011002011
42001332322013
532210333442
63214155051
7562424554
oct201767207
971104064
1034074247
1118263539
12b4b2a87
1370a059c
14474da2b
152ed1117
hex207ee87

34074247 has 4 divisors (see below), whose sum is σ = 35555760. Its totient is φ = 32592736.

The previous prime is 34074233. The next prime is 34074251. The reversal of 34074247 is 74247043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34074247 is a prime.

It is a super-2 number, since 2×340742472 = 2322108617234018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34075247) 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, 740722 + ... + 740767.

It is an arithmetic number, because the mean of its divisors is an integer number (8888940).

Almost surely, 234074247 is an apocalyptic number.

34074247 is a deficient number, since it is larger than the sum of its proper divisors (1481513).

34074247 is a wasteful number, since it uses less digits than its factorization.

34074247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481512.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 34074247 is about 5837.3150506033. The cubic root of 34074247 is about 324.1968238374.

The spelling of 34074247 in words is "thirty-four million, seventy-four thousand, two hundred forty-seven".

Divisors: 1 23 1481489 34074247