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4249278624 = 253318317203
BaseRepresentation
bin1111110101000110…
…1101100010100000
3101222010202201102210
43331101231202200
532200303403444
61541352442120
7210205162263
oct37521554240
911863681383
104249278624
111890674a18
129a70a9340
13529470966
142c44c2cda
1519d0b57b9
hexfd46d8a0

4249278624 has 96 divisors (see below), whose sum is σ = 11653576704. Its totient is φ = 1354141440.

The previous prime is 4249278611. The next prime is 4249278629. The reversal of 4249278624 is 4268729424.

4249278624 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4249278629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238407 + ... + 255609.

It is an arithmetic number, because the mean of its divisors is an integer number (121391424).

Almost surely, 24249278624 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 4249278624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5826788352).

4249278624 is an abundant number, since it is smaller than the sum of its proper divisors (7404298080).

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

4249278624 is a wasteful number, since it uses less digits than its factorization.

4249278624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17330 (or 17322 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 4249278624 is about 65186.4911158746. The cubic root of 4249278624 is about 1619.7142492490.

The spelling of 4249278624 in words is "four billion, two hundred forty-nine million, two hundred seventy-eight thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 83 93 96 124 166 186 248 249 332 372 496 498 664 744 992 996 1328 1488 1992 2573 2656 2976 3984 5146 7719 7968 10292 15438 17203 20584 30876 34406 41168 51609 61752 68812 82336 103218 123504 137624 206436 247008 275248 412872 533293 550496 825744 1066586 1427849 1599879 1651488 2133172 2855698 3199758 4266344 4283547 5711396 6399516 8532688 8567094 11422792 12799032 17065376 17134188 22845584 25598064 34268376 44263319 45691168 51196128 68536752 88526638 132789957 137073504 177053276 265579914 354106552 531159828 708213104 1062319656 1416426208 2124639312 4249278624