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9897960 = 233582483
BaseRepresentation
bin100101110000…
…011111101000
3200121212110010
4211300133220
510013213320
6552051520
7150063012
oct45603750
920555403
109897960
115650536
123393ba0
1320872a7
1414591b2
15d07ae0
hex9707e8

9897960 has 32 divisors (see below), whose sum is σ = 29694240. Its totient is φ = 2639424.

The previous prime is 9897941. The next prime is 9897971. The reversal of 9897960 is 697989.

It is a happy number.

9897960 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×98979602 = 195939224323200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41122 + ... + 41361.

It is an arithmetic number, because the mean of its divisors is an integer number (927945).

Almost surely, 29897960 is an apocalyptic number.

It is an amenable number.

9897960 is an abundant number, since it is smaller than the sum of its proper divisors (19796280).

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

9897960 is a wasteful number, since it uses less digits than its factorization.

9897960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82497 (or 82493 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 9897960 is about 3146.1023505283. The cubic root of 9897960 is about 214.7081672439.

The spelling of 9897960 in words is "nine million, eight hundred ninety-seven thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 82483 164966 247449 329932 412415 494898 659864 824830 989796 1237245 1649660 1979592 2474490 3299320 4948980 9897960