Search a number
-
+
34021239 = 3721991163
BaseRepresentation
bin1000000111000…
…1111101110111
32101000110100220
42001301331313
532202134424
63213105423
7562114200
oct201617567
971013326
1034021239
111822772a
12b488273
137082415
1447385a7
152ec0579
hex2071f77

34021239 has 24 divisors (see below), whose sum is σ = 53078400. Its totient is φ = 19326384.

The previous prime is 34021231. The next prime is 34021259. The reversal of 34021239 is 93212043.

It is not a de Polignac number, because 34021239 - 23 = 34021231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34021231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28672 + ... + 29834.

It is an arithmetic number, because the mean of its divisors is an integer number (2211600).

Almost surely, 234021239 is an apocalyptic number.

34021239 is a deficient number, since it is larger than the sum of its proper divisors (19057161).

34021239 is a wasteful number, since it uses less digits than its factorization.

34021239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 34021239 is about 5832.7728397393. The cubic root of 34021239 is about 324.0286230619.

The spelling of 34021239 in words is "thirty-four million, twenty-one thousand, two hundred thirty-nine".

Divisors: 1 3 7 21 49 147 199 597 1163 1393 3489 4179 8141 9751 24423 29253 56987 170961 231437 694311 1620059 4860177 11340413 34021239