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3449400144 = 243194387959
BaseRepresentation
bin1100110110011001…
…1010101101010000
322220101122200102220
43031212122231100
524031021301034
61330140341040
7151323263121
oct31546325520
98811580386
103449400144
111510107423
12803244780
1342c831198
1424a18a048
15152c64749
hexcd99ab50

3449400144 has 80 divisors (see below), whose sum is σ = 9598195200. Its totient is φ = 1063939968.

The previous prime is 3449400139. The next prime is 3449400173. The reversal of 3449400144 is 4410049443.

3449400144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34494001442 = 23796722706854441472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4764 + ... + 83195.

It is an arithmetic number, because the mean of its divisors is an integer number (119977440).

Almost surely, 23449400144 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 3449400144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4799097600).

3449400144 is an abundant number, since it is smaller than the sum of its proper divisors (6148795056).

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

3449400144 is a wasteful number, since it uses less digits than its factorization.

3449400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88032 (or 88026 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 3449400144 is about 58731.5940869989. The cubic root of 3449400144 is about 1510.9422278934.

Adding to 3449400144 its reverse (4410049443), we get a palindrome (7859449587).

The spelling of 3449400144 in words is "three billion, four hundred forty-nine million, four hundred thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 43 48 57 76 86 114 129 152 172 228 258 304 344 456 516 688 817 912 1032 1634 2064 2451 3268 4902 6536 9804 13072 19608 39216 87959 175918 263877 351836 527754 703672 1055508 1407344 1671221 2111016 3342442 3782237 4222032 5013663 6684884 7564474 10027326 11346711 13369768 15128948 20054652 22693422 26739536 30257896 40109304 45386844 60515792 71862503 80218608 90773688 143725006 181547376 215587509 287450012 431175018 574900024 862350036 1149800048 1724700072 3449400144