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5670028 = 2271337421
BaseRepresentation
bin10101101000010010001100
3101200001211001
4111220102030
52422420103
6321310044
766123460
oct25502214
911601731
105670028
113222a81
121a95324
131236a60
14a784a0
1577001d
hex56848c

5670028 has 48 divisors (see below), whose sum is σ = 12572224. Its totient is φ = 2177280.

The previous prime is 5669977. The next prime is 5670031. The reversal of 5670028 is 8200765.

5670028 = 8972 + 8982 + ... + 9032.

5670028 is a nontrivial binomial coefficient, being equal to C(3368, 2).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5669978 and 5670005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13258 + ... + 13678.

Almost surely, 25670028 is an apocalyptic number.

5670028 is the 3367-th triangular number and also the 1684-th hexagonal number.

5670028 is the 1123-rd centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5670028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6286112).

5670028 is an abundant number, since it is smaller than the sum of its proper divisors (6902196).

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

5670028 is a wasteful number, since it uses less digits than its factorization.

5670028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5670028 is about 2381.1820593982. The cubic root of 5670028 is about 178.3179521094.

It can be divided in two parts, 56700 and 28, that multiplied together give a square (1587600 = 12602).

The spelling of 5670028 in words is "five million, six hundred seventy thousand, twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 37 52 74 91 148 182 259 364 421 481 518 842 962 1036 1684 1924 2947 3367 5473 5894 6734 10946 11788 13468 15577 21892 31154 38311 62308 76622 109039 153244 202501 218078 405002 436156 810004 1417507 2835014 5670028