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8970240 = 2133573
BaseRepresentation
bin100010001110…
…000000000000
3121212201212010
4202032000000
54244021430
6520132520
7136150206
oct42160000
917781763
108970240
115077524
123007140
131b20c46
141297076
15bc2cb0
hex88e000

8970240 has 112 divisors (see below), whose sum is σ = 29096208. Its totient is φ = 2359296.

The previous prime is 8970229. The next prime is 8970263. The reversal of 8970240 is 420798.

8970240 = T275 + T276 + ... + T420.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8970198 and 8970207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122844 + ... + 122916.

Almost surely, 28970240 is an apocalyptic number.

8970240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8970240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14548104).

8970240 is an abundant number, since it is smaller than the sum of its proper divisors (20125968).

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

8970240 is an equidigital number, since it uses as much as digits as its factorization.

8970240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8970240 is about 2995.0358929402. The cubic root of 8970240 is about 207.7788576704.

The spelling of 8970240 in words is "eight million, nine hundred seventy thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 73 80 96 120 128 146 160 192 219 240 256 292 320 365 384 438 480 512 584 640 730 768 876 960 1024 1095 1168 1280 1460 1536 1752 1920 2048 2190 2336 2560 2920 3072 3504 3840 4096 4380 4672 5120 5840 6144 7008 7680 8192 8760 9344 10240 11680 12288 14016 15360 17520 18688 20480 23360 24576 28032 30720 35040 37376 40960 46720 56064 61440 70080 74752 93440 112128 122880 140160 149504 186880 224256 280320 299008 373760 448512 560640 598016 747520 897024 1121280 1495040 1794048 2242560 2990080 4485120 8970240