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987303420 = 2232512174507
BaseRepresentation
bin111010110110010…
…000110111111100
32112210210012200100
4322312100313330
54010222202140
6241545201100
733315640425
oct7266206774
92483705610
10987303420
11467341744
12236790190
1312971310c
14951a464c
155ba24530
hex3ad90dfc

987303420 has 72 divisors (see below), whose sum is σ = 2997946224. Its totient is φ = 263006208.

The previous prime is 987303419. The next prime is 987303467. The reversal of 987303420 is 24303789.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216807 + ... + 221313.

It is an arithmetic number, because the mean of its divisors is an integer number (41638142).

Almost surely, 2987303420 is an apocalyptic number.

987303420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

987303420 is an abundant number, since it is smaller than the sum of its proper divisors (2010642804).

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

987303420 is a wasteful number, since it uses less digits than its factorization.

987303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5734 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 987303420 is about 31421.3847562452. The cubic root of 987303420 is about 995.7497677855.

The spelling of 987303420 in words is "nine hundred eighty-seven million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1217 2434 3651 4507 4868 6085 7302 9014 10953 12170 13521 14604 18028 18255 21906 22535 24340 27042 36510 40563 43812 45070 54084 54765 67605 73020 81126 90140 109530 135210 162252 202815 219060 270420 405630 811260 5485019 10970038 16455057 21940076 27425095 32910114 49365171 54850190 65820228 82275285 98730342 109700380 164550570 197460684 246825855 329101140 493651710 987303420