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1869370242 = 23311561707
BaseRepresentation
bin110111101101100…
…0101001110000010
311211021112211212220
41233123011032002
512312024321432
6505255031510
764216246005
oct15733051602
94737484786
101869370242
1187a235593
1244206b596
1323a39b04c
1413a3b353c
15ae1ac72c
hex6f6c5382

1869370242 has 8 divisors (see below), whose sum is σ = 3738740496. Its totient is φ = 623123412.

The previous prime is 1869370229. The next prime is 1869370253. The reversal of 1869370242 is 2420739681.

1869370242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1869370242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1869370194 and 1869370203.

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, 155780848 + ... + 155780859.

It is an arithmetic number, because the mean of its divisors is an integer number (467342562).

Almost surely, 21869370242 is an apocalyptic number.

1869370242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1869370242 is a wasteful number, since it uses less digits than its factorization.

1869370242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311561712.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1869370242 is about 43236.2144735175. The cubic root of 1869370242 is about 1231.8706508272.

The spelling of 1869370242 in words is "one billion, eight hundred sixty-nine million, three hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 3 6 311561707 623123414 934685121 1869370242