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348252121 = 7197335869
BaseRepresentation
bin10100110000011…
…110011111011001
3220021022001002201
4110300132133121
51203123031441
654320130201
711426044210
oct2460363731
9807261081
10348252121
11169640a78
1298766961
13571c3759
1434374077
1520890c31
hex14c1e7d9

348252121 has 16 divisors (see below), whose sum is σ = 424700800. Its totient is φ = 278909568.

The previous prime is 348252077. The next prime is 348252127. The reversal of 348252121 is 121252843.

It is not a de Polignac number, because 348252121 - 211 = 348250073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348252121.

It is not an unprimeable number, because it can be changed into a prime (348252127) 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, 8226 + ... + 27643.

It is an arithmetic number, because the mean of its divisors is an integer number (26543800).

Almost surely, 2348252121 is an apocalyptic number.

It is an amenable number.

348252121 is a deficient number, since it is larger than the sum of its proper divisors (76448679).

348252121 is a wasteful number, since it uses less digits than its factorization.

348252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35968.

The product of its digits is 3840, while the sum is 28.

The square root of 348252121 is about 18661.5144347933. The cubic root of 348252121 is about 703.5547886954.

The spelling of 348252121 in words is "three hundred forty-eight million, two hundred fifty-two thousand, one hundred twenty-one".

Divisors: 1 7 19 73 133 511 1387 9709 35869 251083 681511 2618437 4770577 18329059 49750303 348252121