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254387079424 = 2829210872
BaseRepresentation
bin1110110011101010100…
…1101100100100000000
3220022121200011120201101
43230322221230210000
513131441043020144
6312510325544144
724243643332532
oct3547251544400
9808550146641
10254387079424
1198980968a25
1241375875054
131acb0c49b8a
14c453325852
15693d04e6d4
hex3b3aa6c900

254387079424 has 81 divisors (see below), whose sum is σ = 526378160217. Its totient is φ = 122694577152.

The previous prime is 254387079421. The next prime is 254387079439. The reversal of 254387079424 is 424970783452.

The square root of 254387079424 is 504368.

It is a perfect power (a square), and thus also a powerful number.

254387079424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133394413824 + 120992665600 = 365232^2 + 347840^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254387079421) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 234026209 + ... + 234027295.

Almost surely, 2254387079424 is an apocalyptic number.

254387079424 is the 504368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254387079424

254387079424 is an abundant number, since it is smaller than the sum of its proper divisors (271991080793).

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

254387079424 is an frugal number, since it uses more digits than its factorization.

254387079424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 254387079424 in words is "two hundred fifty-four billion, three hundred eighty-seven million, seventy-nine thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 256 464 841 928 1087 1682 1856 2174 3364 3712 4348 6728 7424 8696 13456 17392 26912 31523 34784 53824 63046 69568 107648 126092 139136 215296 252184 278272 504368 914167 1008736 1181569 1828334 2017472 2363138 3656668 4034944 4726276 7313336 8069888 9452552 14626672 18905104 29253344 34265501 37810208 58506688 68531002 75620416 117013376 137062004 151240832 234026752 274124008 302481664 548248016 993699529 1096496032 1987399058 2192992064 3974798116 4385984128 7949596232 8771968256 15899192464 31798384928 63596769856 127193539712 254387079424