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1349203842 = 232745723431
BaseRepresentation
bin101000001101011…
…0011011110000010
310111000202122201200
41100122303132002
510230344010332
6341514042030
745302020620
oct12032633602
93430678650
101349203842
116326548a8
12317a19316
131866a4b8c
14cb28c510
157d6ae17c
hex506b3782

1349203842 has 48 divisors (see below), whose sum is σ = 3348339072. Its totient is φ = 384626880.

The previous prime is 1349203831. The next prime is 1349203847. The reversal of 1349203842 is 2483029431.

It is a junction number, because it is equal to n+sod(n) for n = 1349203797 and 1349203806.

It is not an unprimeable number, because it can be changed into a prime (1349203847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45867 + ... + 69297.

It is an arithmetic number, because the mean of its divisors is an integer number (69757064).

Almost surely, 21349203842 is an apocalyptic number.

1349203842 is an abundant number, since it is smaller than the sum of its proper divisors (1999135230).

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

1349203842 is a wasteful number, since it uses less digits than its factorization.

1349203842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23903 (or 23900 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1349203842 is about 36731.5102058165. The cubic root of 1349203842 is about 1104.9921423382.

The spelling of 1349203842 in words is "one billion, three hundred forty-nine million, two hundred three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 457 914 1371 2742 3199 4113 6398 8226 9597 19194 23431 28791 46862 57582 70293 140586 164017 210879 328034 421758 492051 984102 1476153 2952306 10707967 21415934 32123901 64247802 74955769 96371703 149911538 192743406 224867307 449734614 674601921 1349203842