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2031430834 = 22820136017
BaseRepresentation
bin111100100010101…
…0010110010110010
312020120111101020001
41321011102302302
513130021241314
6533324340214
7101224606606
oct17105226262
95216441201
102031430834
11952765064
124883a466a
13264b306a4
14153b1b506
15bd520674
hex79152cb2

2031430834 has 8 divisors (see below), whose sum is σ = 3047338908. Its totient is φ = 1015651200.

The previous prime is 2031430769. The next prime is 2031430867. The reversal of 2031430834 is 4380341302.

It can be written as a sum of positive squares in 2 ways, for example, as 2013765625 + 17665209 = 44875^2 + 4203^2 .

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

It is a super-2 number, since 2×20314308342 = 8253422466651871112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38394 + ... + 74410.

Almost surely, 22031430834 is an apocalyptic number.

2031430834 is a deficient number, since it is larger than the sum of its proper divisors (1015908074).

2031430834 is a wasteful number, since it uses less digits than its factorization.

2031430834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64220.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2031430834 is about 45071.3970717572. The cubic root of 2031430834 is about 1266.4868359508.

The spelling of 2031430834 in words is "two billion, thirty-one million, four hundred thirty thousand, eight hundred thirty-four".

Divisors: 1 2 28201 36017 56402 72034 1015715417 2031430834