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34442990 = 253444299
BaseRepresentation
bin1000001101100…
…0111011101110
32101210212220022
42003120323232
532304133430
63230122142
7565521611
oct203307356
971725808
1034442990
111849558a
12b650352
13719c38a
144808178
1530554e5
hex20d8eee

34442990 has 8 divisors (see below), whose sum is σ = 61997400. Its totient is φ = 13777192.

The previous prime is 34442977. The next prime is 34442999. The reversal of 34442990 is 9924443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 34442990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34442999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722140 + ... + 1722159.

It is an arithmetic number, because the mean of its divisors is an integer number (7749675).

Almost surely, 234442990 is an apocalyptic number.

34442990 is a deficient number, since it is larger than the sum of its proper divisors (27554410).

34442990 is a wasteful number, since it uses less digits than its factorization.

34442990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444306.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 34442990 is about 5868.8150422381. The cubic root of 34442990 is about 325.3620895350.

It can be divided in two parts, 344 and 42990, that added together give a palindrome (43334).

The spelling of 34442990 in words is "thirty-four million, four hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 3444299 6888598 17221495 34442990