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349238585340 = 22335646738121
BaseRepresentation
bin1010001010100000011…
…11011110011111111100
31020101110001000022211000
411011100033132133330
521210220034212330
6424234334530300
734142312665311
oct5052017363774
91211401008730
10349238585340
11125125093237
1257827366990
1326c18c083c8
1412c906acd08
15914029e560
hex51503de7fc

349238585340 has 48 divisors (see below), whose sum is σ = 1086520044960. Its totient is φ = 93130289280.

The previous prime is 349238585299. The next prime is 349238585341. The reversal of 349238585340 is 43585832943.

349238585340 is a `hidden beast` number, since 3 + 4 + 9 + 23 + 8 + 585 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349238585341) 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, 323368521 + ... + 323369600.

It is an arithmetic number, because the mean of its divisors is an integer number (22635834270).

Almost surely, 2349238585340 is an apocalyptic number.

349238585340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349238585340 is an abundant number, since it is smaller than the sum of its proper divisors (737281459620).

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

349238585340 is a wasteful number, since it uses less digits than its factorization.

349238585340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646738139 (or 646738131 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 349238585340 in words is "three hundred forty-nine billion, two hundred thirty-eight million, five hundred eighty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 646738121 1293476242 1940214363 2586952484 3233690605 3880428726 5820643089 6467381210 7760857452 9701071815 11641286178 12934762420 17461929267 19402143630 23282572356 29103215445 34923858534 38804287260 58206430890 69847717068 87309646335 116412861780 174619292670 349238585340