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34442740 = 2251722137
BaseRepresentation
bin1000001101100…
…0110111110100
32101210212120001
42003120313310
532304131430
63230121044
7565521103
oct203306764
971725501
1034442740
1118495382
12b650184
13719c227
14480803a
1530553ca
hex20d8df4

34442740 has 12 divisors (see below), whose sum is σ = 72329796. Its totient is φ = 13777088.

The previous prime is 34442713. The next prime is 34442761. The reversal of 34442740 is 4724443.

34442740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4104676 + 30338064 = 2026^2 + 5508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34442699 and 34442708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861049 + ... + 861088.

It is an arithmetic number, because the mean of its divisors is an integer number (6027483).

Almost surely, 234442740 is an apocalyptic number.

It is an amenable number.

34442740 is an abundant number, since it is smaller than the sum of its proper divisors (37887056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34442740 is a wasteful number, since it uses less digits than its factorization.

34442740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722146 (or 1722144 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 34442740 is about 5868.7937431810. The cubic root of 34442740 is about 325.3613023336.

The spelling of 34442740 in words is "thirty-four million, four hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1722137 3444274 6888548 8610685 17221370 34442740