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1344510840 = 233511204257
BaseRepresentation
bin101000000100011…
…1001101101111000
310110200221020010210
41100020321231320
510223143321330
6341225311120
745214103451
oct12010715570
93420836123
101344510840
1162aa39992
123163354a0
13185720a5a
14ca7ca128
157d0838b0
hex50239b78

1344510840 has 32 divisors (see below), whose sum is σ = 4033532880. Its totient is φ = 358536192.

The previous prime is 1344510833. The next prime is 1344510899. The reversal of 1344510840 is 480154431.

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 = 1344510798 and 1344510807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602009 + ... + 5602248.

Almost surely, 21344510840 is an apocalyptic number.

1344510840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344510840 is an abundant number, since it is smaller than the sum of its proper divisors (2689022040).

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

1344510840 is a wasteful number, since it uses less digits than its factorization.

1344510840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204271 (or 11204267 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1344510840 is about 36667.5720494281. The cubic root of 1344510840 is about 1103.7094711776.

The spelling of 1344510840 in words is "one billion, three hundred forty-four million, five hundred ten thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 11204257 22408514 33612771 44817028 56021285 67225542 89634056 112042570 134451084 168063855 224085140 268902168 336127710 448170280 672255420 1344510840