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457464864 = 25361191409
BaseRepresentation
bin11011010001000…
…101110000100000
31011212210121211010
4123101011300200
51414102333424
6113221020520
714223246543
oct3321056040
91155717733
10457464864
1121525513a
12109254740
1373a1168c
1444a8285a
152a265229
hex1b445c20

457464864 has 96 divisors (see below), whose sum is σ = 1229921280. Its totient is φ = 148838400.

The previous prime is 457464863. The next prime is 457464899. The reversal of 457464864 is 468464754.

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 (457464863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118292 + ... + 1118700.

It is an arithmetic number, because the mean of its divisors is an integer number (12811680).

Almost surely, 2457464864 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 457464864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614960640).

457464864 is an abundant number, since it is smaller than the sum of its proper divisors (772456416).

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

457464864 is a wasteful number, since it uses less digits than its factorization.

457464864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 48.

The square root of 457464864 is about 21388.4282732509. The cubic root of 457464864 is about 770.5235456712.

The spelling of 457464864 in words is "four hundred fifty-seven million, four hundred sixty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 61 96 122 183 191 244 366 382 409 488 573 732 764 818 976 1146 1227 1464 1528 1636 1952 2292 2454 2928 3056 3272 4584 4908 5856 6112 6544 9168 9816 11651 13088 18336 19632 23302 24949 34953 39264 46604 49898 69906 74847 78119 93208 99796 139812 149694 156238 186416 199592 234357 279624 299388 312476 372832 399184 468714 559248 598776 624952 798368 937428 1118496 1197552 1249904 1874856 2395104 2499808 3749712 4765259 7499424 9530518 14295777 19061036 28591554 38122072 57183108 76244144 114366216 152488288 228732432 457464864