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9970520 = 235725087
BaseRepresentation
bin100110000010…
…001101011000
3200202112222112
4212002031120
510023024040
6553411452
7150514400
oct46021530
920675875
109970520
11569aaaa
123409b88
1320b1321
141477800
15d1e365
hex982358

9970520 has 48 divisors (see below), whose sum is σ = 26101440. Its totient is φ = 3417792.

The previous prime is 9970489. The next prime is 9970529. The reversal of 9970520 is 250799.

It is a super-2 number, since 2×99705202 = 198822538140800, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (543780).

Almost surely, 29970520 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 9970520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13050720).

9970520 is an abundant number, since it is smaller than the sum of its proper divisors (16130920).

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

9970520 is a wasteful number, since it uses less digits than its factorization.

9970520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 9970520 is about 3157.6130225219. The cubic root of 9970520 is about 215.2315515068.

The spelling of 9970520 in words is "nine million, nine hundred seventy thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 5087 10174 20348 25435 35609 40696 50870 71218 101740 142436 178045 203480 249263 284872 356090 498526 712180 997052 1246315 1424360 1994104 2492630 4985260 9970520