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1368398700 = 2232521520443
BaseRepresentation
bin101000110010000…
…0001101101101100
310112100212212010100
41101210001231230
510300302224300
6343441311100
745624124404
oct12144015554
93470785110
101368398700
11642475219
12322335490
1318a665996
14cda47804
1580201700
hex51901b6c

1368398700 has 54 divisors (see below), whose sum is σ = 4289172524. Its totient is φ = 364906080.

The previous prime is 1368398671. The next prime is 1368398719. The reversal of 1368398700 is 78938631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 759322 + ... + 761121.

Almost surely, 21368398700 is an apocalyptic number.

1368398700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368398700 is an abundant number, since it is smaller than the sum of its proper divisors (2920773824).

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

1368398700 is a wasteful number, since it uses less digits than its factorization.

1368398700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520463 (or 1520453 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1368398700 is about 36991.8734318769. The cubic root of 1368398700 is about 1110.2076553307.

The spelling of 1368398700 in words is "one billion, three hundred sixty-eight million, three hundred ninety-eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 1520443 3040886 4561329 6081772 7602215 9122658 13683987 15204430 18245316 22806645 27367974 30408860 38011075 45613290 54735948 68419935 76022150 91226580 114033225 136839870 152044300 228066450 273679740 342099675 456132900 684199350 1368398700