Search a number
-
+
3935793940 = 2251315137669
BaseRepresentation
bin1110101010010111…
…0111001100010100
3101011021220001021221
43222211313030110
531030030401230
61450313420124
7166350460621
oct35245671424
911137801257
103935793940
11173a720271
1291a10a644
134a9531170
142949dd348
151807e127a
hexea977314

3935793940 has 24 divisors (see below), whose sum is σ = 8900949960. Its totient is φ = 1453216128.

The previous prime is 3935793937. The next prime is 3935793973. The reversal of 3935793940 is 493975393.

It can be written as a sum of positive squares in 4 ways, for example, as 824608656 + 3111185284 = 28716^2 + 55778^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568575 + ... + 7569094.

It is an arithmetic number, because the mean of its divisors is an integer number (370872915).

Almost surely, 23935793940 is an apocalyptic number.

It is an amenable number.

3935793940 is an abundant number, since it is smaller than the sum of its proper divisors (4965156020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3935793940 is a wasteful number, since it uses less digits than its factorization.

3935793940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137691 (or 15137689 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 52.

The square root of 3935793940 is about 62735.9063057194. The cubic root of 3935793940 is about 1578.8618011029.

The spelling of 3935793940 in words is "three billion, nine hundred thirty-five million, seven hundred ninety-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 15137669 30275338 60550676 75688345 151376690 196789697 302753380 393579394 787158788 983948485 1967896970 3935793940