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354654121 = 1492380229
BaseRepresentation
bin10101001000111…
…001011110101001
3220201100021222211
4111020321132221
51211242412441
655105245121
711534340013
oct2510713651
9821307884
10354654121
11172213988
129a9337a1
1358625713
143515d1b3
1521207a81
hex152397a9

354654121 has 4 divisors (see below), whose sum is σ = 357034500. Its totient is φ = 352273744.

The previous prime is 354654109. The next prime is 354654143. The reversal of 354654121 is 121456453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121456453 = 211575623.

It can be written as a sum of positive squares in 2 ways, for example, as 116877721 + 237776400 = 10811^2 + 15420^2 .

It is a cyclic number.

It is not a de Polignac number, because 354654121 - 27 = 354653993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354654161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189966 + ... + 1190263.

It is an arithmetic number, because the mean of its divisors is an integer number (89258625).

Almost surely, 2354654121 is an apocalyptic number.

It is an amenable number.

354654121 is a deficient number, since it is larger than the sum of its proper divisors (2380379).

354654121 is a wasteful number, since it uses less digits than its factorization.

354654121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380378.

The product of its digits is 14400, while the sum is 31.

The square root of 354654121 is about 18832.2627689824. The cubic root of 354654121 is about 707.8398412292.

The spelling of 354654121 in words is "three hundred fifty-four million, six hundred fifty-four thousand, one hundred twenty-one".

Divisors: 1 149 2380229 354654121