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2273139480 = 23351929311109
BaseRepresentation
bin1000011101111101…
…0101101100011000
312212102022110011010
42013133111230120
514123410430410
61013321133520
7110221236543
oct20737255430
95772273133
102273139480
11a67145377
1253532a2a0
132a2c2c161
14177c7985a
15d4867c20
hex877d5b18

2273139480 has 256 divisors, whose sum is σ = 7672320000. Its totient is φ = 536094720.

The previous prime is 2273139439. The next prime is 2273139493. The reversal of 2273139480 is 849313722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2049166 + ... + 2050274.

It is an arithmetic number, because the mean of its divisors is an integer number (29970000).

Almost surely, 22273139480 is an apocalyptic number.

2273139480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273139480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3836160000).

2273139480 is an abundant number, since it is smaller than the sum of its proper divisors (5399180520).

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

2273139480 is a wasteful number, since it uses less digits than its factorization.

2273139480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2273139480 is about 47677.4525326176. The cubic root of 2273139480 is about 1314.8474293730.

The spelling of 2273139480 in words is "two billion, two hundred seventy-three million, one hundred thirty-nine thousand, four hundred eighty".