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1341808572 = 2231317505961
BaseRepresentation
bin100111111111010…
…0101111110111100
310110111211221022210
41033332211332330
510222000333242
6341051340420
745152120226
oct11776457674
93414757283
101341808572
11629463705
12315451710
13184cb5a90
14ca2c5416
157cbecd9c
hex4ffa5fbc

1341808572 has 48 divisors (see below), whose sum is σ = 3570067872. Its totient is φ = 388577280.

The previous prime is 1341808571. The next prime is 1341808583. The reversal of 1341808572 is 2758081431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1341808572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341808571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250329 + ... + 255632.

It is an arithmetic number, because the mean of its divisors is an integer number (74376414).

Almost surely, 21341808572 is an apocalyptic number.

1341808572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1341808572 is an abundant number, since it is smaller than the sum of its proper divisors (2228259300).

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

1341808572 is a wasteful number, since it uses less digits than its factorization.

1341808572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505998 (or 505996 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1341808572 is about 36630.7053167148. The cubic root of 1341808572 is about 1102.9695442909.

The spelling of 1341808572 in words is "one billion, three hundred forty-one million, eight hundred eight thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 505961 1011922 1517883 2023844 3035766 6071532 6577493 8601337 13154986 17202674 19732479 25804011 26309972 34405348 39464958 51608022 78929916 103216044 111817381 223634762 335452143 447269524 670904286 1341808572