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3962534981 = 171371701389
BaseRepresentation
bin1110110000101111…
…0111110001000101
3101020011012122002212
43230023313301011
531103402104411
61453110513205
7200123664056
oct35413676105
911204178085
103962534981
1117538251a9
12927065805
134b1c34972
142983a072d
15182d2468b
hexec2f7c45

3962534981 has 8 divisors (see below), whose sum is σ = 4226252760. Its totient is φ = 3702220288.

The previous prime is 3962534957. The next prime is 3962535023. The reversal of 3962534981 is 1894352693.

It is a happy number.

3962534981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1790136100 + 2172398881 = 42310^2 + 46609^2 .

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

It is not a de Polignac number, because 3962534981 - 214 = 3962518597 is a prime.

It is a super-2 number, since 2×39625349812 = 31403366951297340722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962534281) 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, 848366 + ... + 853023.

It is an arithmetic number, because the mean of its divisors is an integer number (528281595).

Almost surely, 23962534981 is an apocalyptic number.

It is an amenable number.

3962534981 is a deficient number, since it is larger than the sum of its proper divisors (263717779).

3962534981 is a wasteful number, since it uses less digits than its factorization.

3962534981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701543.

The product of its digits is 1399680, while the sum is 50.

The square root of 3962534981 is about 62948.6694140551. The cubic root of 3962534981 is about 1582.4294970117.

The spelling of 3962534981 in words is "three billion, nine hundred sixty-two million, five hundred thirty-four thousand, nine hundred eighty-one".

Divisors: 1 17 137 2329 1701389 28923613 233090293 3962534981