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34709745 = 357330569
BaseRepresentation
bin1000010001101…
…0000011110001
32102022102211010
42010122003301
532341202440
63235541133
7601012410
oct204320361
972272733
1034709745
1118657a44
12b75a7a9
137263915
144877477
1530a9580
hex211a0f1

34709745 has 16 divisors (see below), whose sum is σ = 63469440. Its totient is φ = 15867264.

The previous prime is 34709707. The next prime is 34709747. The reversal of 34709745 is 54790743.

It is not a de Polignac number, because 34709745 - 215 = 34676977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34709747) 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, 165180 + ... + 165389.

It is an arithmetic number, because the mean of its divisors is an integer number (3966840).

Almost surely, 234709745 is an apocalyptic number.

34709745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34709745 is a deficient number, since it is larger than the sum of its proper divisors (28759695).

34709745 is a wasteful number, since it uses less digits than its factorization.

34709745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330584.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 34709745 is about 5891.4976873457. The cubic root of 34709745 is about 326.1998880769.

The spelling of 34709745 in words is "thirty-four million, seven hundred nine thousand, seven hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 330569 991707 1652845 2313983 4958535 6941949 11569915 34709745