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9975030 = 2351325577
BaseRepresentation
bin100110000011…
…010011110110
3200202210011120
4212003103312
510023200110
6553444410
7150533502
oct46032366
920683146
109975030
1156a342a
123410706
1320b33b0
141479302
15d20870
hex9834f6

9975030 has 32 divisors (see below), whose sum is σ = 25782624. Its totient is φ = 2455296.

The previous prime is 9975029. The next prime is 9975037. The reversal of 9975030 is 305799.

9975030 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 junction number, because it is equal to n+sod(n) for n = 9974982 and 9975000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12399 + ... + 13178.

It is an arithmetic number, because the mean of its divisors is an integer number (805707).

Almost surely, 29975030 is an apocalyptic number.

9975030 is an abundant number, since it is smaller than the sum of its proper divisors (15807594).

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

9975030 is a wasteful number, since it uses less digits than its factorization.

9975030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25600.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 9975030 is about 3158.3270888241. The cubic root of 9975030 is about 215.2639987604.

The spelling of 9975030 in words is "nine million, nine hundred seventy-five thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 25577 51154 76731 127885 153462 255770 332501 383655 665002 767310 997503 1662505 1995006 3325010 4987515 9975030