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5447148840 = 23325717432957
BaseRepresentation
bin1010001001010110…
…01110010100101000
3112001121202211110100
411010223032110220
542123432230330
62300303145400
7251662000260
oct50453162450
915047684410
105447148840
112345856601
1210802a5260
1368a69a8c3
1439961a7a0
1521d330060
hex144ace528

5447148840 has 384 divisors, whose sum is σ = 21928008960. Its totient is φ = 1144184832.

The previous prime is 5447148761. The next prime is 5447148853. The reversal of 5447148840 is 488417445.

It is a super-2 number, since 2×54471488402 = 59342860970226691200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1840642 + ... + 1843598.

It is an arithmetic number, because the mean of its divisors is an integer number (57104190).

Almost surely, 25447148840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5447148840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10964004480).

5447148840 is an abundant number, since it is smaller than the sum of its proper divisors (16480860120).

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

5447148840 is a wasteful number, since it uses less digits than its factorization.

5447148840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The square root of 5447148840 is about 73804.8022827783. The cubic root of 5447148840 is about 1759.5019294821.

The spelling of 5447148840 in words is "five billion, four hundred forty-seven million, one hundred forty-eight thousand, eight hundred forty".