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354741309 = 3313277743
BaseRepresentation
bin10101001001001…
…110110000111101
3220201111201121000
4111021032300331
51211303210214
655111200513
711535152136
oct2511166075
9821451530
10354741309
1117227343a
129a976139
1358656300
1435182c8d
1521223809
hex1524ec3d

354741309 has 24 divisors (see below), whose sum is σ = 569086080. Its totient is φ = 218299536.

The previous prime is 354741293. The next prime is 354741313. The reversal of 354741309 is 903147453.

It is not a de Polignac number, because 354741309 - 24 = 354741293 is a prime.

It is a super-2 number, since 2×3547413092 = 251682792622066962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354741109) 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, 34309 + ... + 43434.

It is an arithmetic number, because the mean of its divisors is an integer number (23711920).

Almost surely, 2354741309 is an apocalyptic number.

354741309 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

354741309 is a deficient number, since it is larger than the sum of its proper divisors (214344771).

354741309 is a wasteful number, since it uses less digits than its factorization.

354741309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77778 (or 77759 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 354741309 is about 18834.5774839788. The cubic root of 354741309 is about 707.8978414796.

The spelling of 354741309 in words is "three hundred fifty-four million, seven hundred forty-one thousand, three hundred nine".

Divisors: 1 3 9 13 27 39 117 169 351 507 1521 4563 77743 233229 699687 1010659 2099061 3031977 9095931 13138567 27287793 39415701 118247103 354741309