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34442731 = 172119179
BaseRepresentation
bin1000001101100…
…0110111101011
32101210212112201
42003120313223
532304131411
63230121031
7565521061
oct203306753
971725481
1034442731
1118495374
12b650177
13719c21b
144808031
1530553c1
hex20d8deb

34442731 has 6 divisors (see below), whose sum is σ = 36588260. Its totient is φ = 32416416.

The previous prime is 34442713. The next prime is 34442761. The reversal of 34442731 is 13724443.

It is a de Polignac number, because none of the positive numbers 2k-34442731 is a prime.

It is a super-2 number, since 2×344427312 = 2372603437476722, which contains 22 as substring.

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 34442731.

It is not an unprimeable number, because it can be changed into a prime (34442701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59301 + ... + 59878.

Almost surely, 234442731 is an apocalyptic number.

34442731 is a deficient number, since it is larger than the sum of its proper divisors (2145529).

34442731 is a wasteful number, since it uses less digits than its factorization.

34442731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119213 (or 119196 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 34442731 is about 5868.7929764135. The cubic root of 34442731 is about 325.3612739942.

The spelling of 34442731 in words is "thirty-four million, four hundred forty-two thousand, seven hundred thirty-one".

Divisors: 1 17 289 119179 2026043 34442731