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2451248889 = 3953385711
BaseRepresentation
bin1001001000011011…
…0001011011111001
320022211110100022220
42102012301123321
520010004431024
61043122434253
7114513162135
oct22206613371
96284410286
102451248889
111048736631
12584b02989
13300ac063b
141937a03c5
15e52eae79
hex921b16f9

2451248889 has 8 divisors (see below), whose sum is σ = 3268712832. Its totient is φ = 1633975440.

The previous prime is 2451248873. The next prime is 2451248903. The reversal of 2451248889 is 9888421542.

2451248889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2451248889 - 24 = 2451248873 is a prime.

It is a super-2 number, since 2×24512488892 = 12017242231647468642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2451244889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14257 + ... + 71454.

It is an arithmetic number, because the mean of its divisors is an integer number (408589104).

Almost surely, 22451248889 is an apocalyptic number.

It is an amenable number.

2451248889 is a deficient number, since it is larger than the sum of its proper divisors (817463943).

2451248889 is an equidigital number, since it uses as much as digits as its factorization.

2451248889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95247.

The product of its digits is 1474560, while the sum is 51.

The square root of 2451248889 is about 49510.0887597669. The cubic root of 2451248889 is about 1348.3287758679.

The spelling of 2451248889 in words is "two billion, four hundred fifty-one million, two hundred forty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 9533 28599 85711 257133 817082963 2451248889