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2159357408 = 251317305339
BaseRepresentation
bin1000000010110101…
…0010110111100000
312120111012201111022
42000231102313200
513410243414113
6554134305012
7104340143435
oct20055226740
95514181438
102159357408
11a089a01aa
125031b8168
132854a14a0
14166adbb8c
15c988e908
hex80b52de0

2159357408 has 48 divisors (see below), whose sum is σ = 4847577840. Its totient is φ = 937998336.

The previous prime is 2159357363. The next prime is 2159357413. The reversal of 2159357408 is 8047539512.

It is a super-3 number, since 3×21593574083 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 145598 + ... + 159741.

It is an arithmetic number, because the mean of its divisors is an integer number (100991205).

Almost surely, 22159357408 is an apocalyptic number.

It is an amenable number.

2159357408 is an abundant number, since it is smaller than the sum of its proper divisors (2688220432).

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

2159357408 is a wasteful number, since it uses less digits than its factorization.

2159357408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305379 (or 305371 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 2159357408 is about 46468.8864510438. The cubic root of 2159357408 is about 1292.5326140371.

The spelling of 2159357408 in words is "two billion, one hundred fifty-nine million, three hundred fifty-seven thousand, four hundred eight".

Divisors: 1 2 4 8 13 16 17 26 32 34 52 68 104 136 208 221 272 416 442 544 884 1768 3536 7072 305339 610678 1221356 2442712 3969407 4885424 5190763 7938814 9770848 10381526 15877628 20763052 31755256 41526104 63510512 67479919 83052208 127021024 134959838 166104416 269919676 539839352 1079678704 2159357408