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3450690 = 2325231667
BaseRepresentation
bin1101001010011101000010
320111022110100
431022131002
51340410230
6201543230
741221215
oct15123502
96438410
103450690
111a47611
1211a4b16
1393a839
1465b77c
15482660
hex34a742

3450690 has 48 divisors (see below), whose sum is σ = 9367488. Its totient is φ = 879648.

The previous prime is 3450679. The next prime is 3450719. The reversal of 3450690 is 960543.

It is a happy number.

It is a super-2 number, since 2×34506902 = 23814522952200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (195156).

Almost surely, 23450690 is an apocalyptic number.

3450690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3450690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4683744).

3450690 is an abundant number, since it is smaller than the sum of its proper divisors (5916798).

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

3450690 is a wasteful number, since it uses less digits than its factorization.

3450690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3450690 is about 1857.6032945707. The cubic root of 3450690 is about 151.1130536483.

It can be divided in two parts, 34506 and 90, that added together give a square (34596 = 1862).

The spelling of 3450690 in words is "three million, four hundred fifty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 1667 2070 3334 5001 8335 10002 15003 16670 25005 30006 38341 50010 75015 76682 115023 150030 191705 230046 345069 383410 575115 690138 1150230 1725345 3450690