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2190708 = 22321331151
BaseRepresentation
bin1000010110110101110100
311010022002100
420112311310
51030100313
6114542100
724422622
oct10266564
94108070
102190708
111266a03
12897930
135b91a0
14410512
152d4173
hex216d74

2190708 has 72 divisors (see below), whose sum is σ = 6196736. Its totient is φ = 648000.

The previous prime is 2190691. The next prime is 2190737. The reversal of 2190708 is 8070912.

2190708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14433 + ... + 14583.

22190708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3098368).

2190708 is an abundant number, since it is smaller than the sum of its proper divisors (4006028).

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

2190708 is a wasteful number, since it uses less digits than its factorization.

2190708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2190708 is about 1480.1040503965. The cubic root of 2190708 is about 129.8757787744.

The spelling of 2190708 in words is "two million, one hundred ninety thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 31 36 39 52 62 78 93 117 124 151 156 186 234 279 302 372 403 453 468 558 604 806 906 1116 1209 1359 1612 1812 1963 2418 2718 3627 3926 4681 4836 5436 5889 7254 7852 9362 11778 14043 14508 17667 18724 23556 28086 35334 42129 56172 60853 70668 84258 121706 168516 182559 243412 365118 547677 730236 1095354 2190708