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9995020 = 225733147
BaseRepresentation
bin100110001000…
…001100001100
3200210210120221
4212020030030
510024320040
6554121124
7150646000
oct46101414
920723527
109995020
115707452
1234201a4
1320bc519
141482700
15d2674a
hex98830c

9995020 has 96 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 3245760.

The previous prime is 9995009. The next prime is 9995023. The reversal of 9995020 is 205999.

It is not an unprimeable number, because it can be changed into a prime (9995023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212637 + ... + 212683.

It is an arithmetic number, because the mean of its divisors is an integer number (268800).

Almost surely, 29995020 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 9995020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).

9995020 is an abundant number, since it is smaller than the sum of its proper divisors (15809780).

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

9995020 is a wasteful number, since it uses less digits than its factorization.

9995020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 9995020 is about 3161.4901549744. The cubic root of 9995020 is about 215.4076994489.

It can be divided in two parts, 99950 and 20, that multiplied together give a triangular number (1999000 = T1999).

The spelling of 9995020 in words is "nine million, nine hundred ninety-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 47 49 62 70 94 98 124 140 155 188 196 217 235 245 310 329 343 434 470 490 620 658 686 868 940 980 1085 1316 1372 1457 1519 1645 1715 2170 2303 2914 3038 3290 3430 4340 4606 5828 6076 6580 6860 7285 7595 9212 10199 10633 11515 14570 15190 16121 20398 21266 23030 29140 30380 32242 40796 42532 46060 50995 53165 64484 71393 80605 101990 106330 142786 161210 203980 212660 285572 322420 356965 499751 713930 999502 1427860 1999004 2498755 4997510 9995020