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354111231 = 3118037077
BaseRepresentation
bin10101000110110…
…100111011111111
3220200022201021210
4111012310323333
51211123024411
655045455503
711526616155
oct2506647377
9820281253
10354111231
11171983011
129a711593
1358495596
143505b3d5
152114bca6
hex151b4eff

354111231 has 4 divisors (see below), whose sum is σ = 472148312. Its totient is φ = 236074152.

The previous prime is 354111217. The next prime is 354111269. The reversal of 354111231 is 132111453.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354111231 - 26 = 354111167 is a prime.

It is a super-2 number, since 2×3541112312 = 250789527840670722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354111198 and 354111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354111211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59018536 + ... + 59018541.

It is an arithmetic number, because the mean of its divisors is an integer number (118037078).

Almost surely, 2354111231 is an apocalyptic number.

354111231 is a deficient number, since it is larger than the sum of its proper divisors (118037081).

354111231 is a wasteful number, since it uses less digits than its factorization.

354111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118037080.

The product of its digits is 360, while the sum is 21.

The square root of 354111231 is about 18817.8434205410. The cubic root of 354111231 is about 707.4784793697.

Adding to 354111231 its reverse (132111453), we get a palindrome (486222684).

The spelling of 354111231 in words is "three hundred fifty-four million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 3 118037077 354111231