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487290692 = 22725361769
BaseRepresentation
bin11101000010110…
…111011101000100
31020221220221011102
4131002313131010
51444221300232
6120204155232
715034621400
oct3502673504
91227827142
10487290692
11230076789
12117238b18
1379c552b5
1448a08100
152cba7662
hex1d0b7744

487290692 has 72 divisors (see below), whose sum is σ = 1028606040. Its totient is φ = 201277440.

The previous prime is 487290677. The next prime is 487290707. The reversal of 487290692 is 296092784.

It is an interprime number because it is at equal distance from previous prime (487290677) and next prime (487290707).

It can be written as a sum of positive squares in 4 ways, for example, as 10916416 + 476374276 = 3304^2 + 21826^2 .

It is a congruent 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, 633284 + ... + 634052.

It is an arithmetic number, because the mean of its divisors is an integer number (14286195).

Almost surely, 2487290692 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 487290692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514303020).

487290692 is an abundant number, since it is smaller than the sum of its proper divisors (541315348).

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

487290692 is a wasteful number, since it uses less digits than its factorization.

487290692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 487290692 is about 22074.6617641132. The cubic root of 487290692 is about 786.9178050831.

The spelling of 487290692 in words is "four hundred eighty-seven million, two hundred ninety thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 53 61 98 106 122 196 212 244 371 427 742 769 854 1484 1538 1708 2597 2989 3076 3233 5194 5383 5978 6466 10388 10766 11956 12932 21532 22631 37681 40757 45262 46909 75362 81514 90524 93818 150724 158417 163028 187636 285299 316834 328363 570598 633668 656726 1141196 1313452 1997093 2298541 2486177 3994186 4597082 4972354 7988372 9194164 9944708 17403239 34806478 69612956 121822673 243645346 487290692