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342969 = 31119547
BaseRepresentation
bin1010011101110111001
3122102110120
41103232321
541433334
611203453
72625624
oct1235671
9572416
10342969
11214750
12146589
13c0153
148cdbb
156b949
hex53bb9

342969 has 16 divisors (see below), whose sum is σ = 526080. Its totient is φ = 196560.

The previous prime is 342949. The next prime is 342971. The reversal of 342969 is 969243.

It is not a de Polignac number, because 342969 - 27 = 342841 is a prime.

It is a super-2 number, since 2×3429692 = 235255469922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 39 + 49 + 9 + 211 + 62 + 95 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342929) 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, 354 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (32880).

2342969 is an apocalyptic number.

It is an amenable number.

342969 is a deficient number, since it is larger than the sum of its proper divisors (183111).

342969 is a wasteful number, since it uses less digits than its factorization.

342969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its digits is 11664, while the sum is 33.

The square root of 342969 is about 585.6355521995. The cubic root of 342969 is about 69.9978910929.

It can be divided in two parts, 34 and 2969, that added together give a palindrome (3003).

The spelling of 342969 in words is "three hundred forty-two thousand, nine hundred sixty-nine".

Divisors: 1 3 11 19 33 57 209 547 627 1641 6017 10393 18051 31179 114323 342969