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23485570 = 258292833
BaseRepresentation
bin101100110010…
…1110010000010
31122012012010221
41121211302002
522003014240
62155213254
7403424023
oct131456202
948165127
1023485570
1112291069
127a4722a
134b33ab4
143194c4a
1520dda4a
hex1665c82

23485570 has 16 divisors (see below), whose sum is σ = 42339960. Its totient is φ = 9379584.

The previous prime is 23485559. The next prime is 23485589. The reversal of 23485570 is 7558432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18481401 + 5004169 = 4299^2 + 2237^2 .

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 7 ways as a sum of consecutive naturals, for example, 6874 + ... + 9706.

Almost surely, 223485570 is an apocalyptic number.

23485570 is a deficient number, since it is larger than the sum of its proper divisors (18854390).

23485570 is a wasteful number, since it uses less digits than its factorization.

23485570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 23485570 is about 4846.1912880116. The cubic root of 23485570 is about 286.3740765031.

The spelling of 23485570 in words is "twenty-three million, four hundred eighty-five thousand, five hundred seventy".

Divisors: 1 2 5 10 829 1658 2833 4145 5666 8290 14165 28330 2348557 4697114 11742785 23485570