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3831359442 = 2347130310427
BaseRepresentation
bin1110010001011101…
…1110011111010010
3100220000101020002120
43210113132133102
530321312000232
61432103155110
7163642006101
oct34427363722
910800336076
103831359442
111696780069
128ab145a96
134909c70c1
14284bb6038
1517656292c
hexe45de7d2

3831359442 has 32 divisors (see below), whose sum is σ = 7832512512. Its totient is φ = 1248867984.

The previous prime is 3831359419. The next prime is 3831359449. The reversal of 3831359442 is 2449531383.

It is a junction number, because it is equal to n+sod(n) for n = 3831359394 and 3831359403.

It is not an unprimeable number, because it can be changed into a prime (3831359449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362233 + ... + 372659.

It is an arithmetic number, because the mean of its divisors is an integer number (244766016).

Almost surely, 23831359442 is an apocalyptic number.

3831359442 is an abundant number, since it is smaller than the sum of its proper divisors (4001153070).

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

3831359442 is a wasteful number, since it uses less digits than its factorization.

3831359442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782.

The product of its digits is 311040, while the sum is 42.

The square root of 3831359442 is about 61897.9760735357. The cubic root of 3831359442 is about 1564.7716382627.

The spelling of 3831359442 in words is "three billion, eight hundred thirty-one million, three hundred fifty-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 1303 2606 3909 7818 10427 20854 31281 61241 62562 122482 183723 367446 490069 980138 1470207 2940414 13586381 27172762 40759143 81518286 638559907 1277119814 1915679721 3831359442