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2154253344 = 25354141479
BaseRepresentation
bin1000000001100111…
…0100110000100000
312120010121102000220
42000121310300200
513402442101334
6553433043040
7104245564665
oct20031646040
95503542026
102154253344
11a06024471
12501556480
13284405229
1416616da6c
15c91d2449
hex80674c20

2154253344 has 48 divisors (see below), whose sum is σ = 5665504320. Its totient is φ = 716739840.

The previous prime is 2154253303. The next prime is 2154253351. The reversal of 2154253344 is 4433524512.

It is a tau number, because it is divible by the number of its divisors (48).

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, 31197 + ... + 72675.

It is an arithmetic number, because the mean of its divisors is an integer number (118031340).

Almost surely, 22154253344 is an apocalyptic number.

2154253344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2154253344 is an abundant number, since it is smaller than the sum of its proper divisors (3511250976).

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

2154253344 is a wasteful number, since it uses less digits than its factorization.

2154253344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42033 (or 42025 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 2154253344 is about 46413.9348041081. The cubic root of 2154253344 is about 1291.5134259681.

Adding to 2154253344 its reverse (4433524512), we get a palindrome (6587777856).

The spelling of 2154253344 in words is "two billion, one hundred fifty-four million, two hundred fifty-three thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 541 1082 1623 2164 3246 4328 6492 8656 12984 17312 25968 41479 51936 82958 124437 165916 248874 331832 497748 663664 995496 1327328 1990992 3981984 22440139 44880278 67320417 89760556 134640834 179521112 269281668 359042224 538563336 718084448 1077126672 2154253344