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451441152 = 29323132
BaseRepresentation
bin11010111010000…
…111001000000000
31011110110120211200
4122322013020000
51411032104102
6112443541200
714121120651
oct3272071000
91143416750
10451441152
11211910468
1210722a800
13726b2956
1443d55528
152997551c
hex1ae87200

451441152 has 90 divisors (see below), whose sum is σ = 1307065617. Its totient is φ = 149999616.

The previous prime is 451441147. The next prime is 451441153. The reversal of 451441152 is 251144154.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 261662976 + 189778176 = 16176^2 + 13776^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=15024.

It is a super-2 number, since 2×4514411522 = 407598227438174208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451441153) 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 8 ways as a sum of consecutive naturals, for example, 1442148 + ... + 1442460.

Almost surely, 2451441152 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 451441152

451441152 is an abundant number, since it is smaller than the sum of its proper divisors (855624465).

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

451441152 is an frugal number, since it uses more digits than its factorization.

451441152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 318 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 451441152 is about 21247.1445610934. The cubic root of 451441152 is about 767.1266113038.

Multiplying 451441152 by its product of digits (3200), we get a square (1444611686400 = 12019202).

The spelling of 451441152 in words is "four hundred fifty-one million, four hundred forty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 313 384 512 576 626 768 939 1152 1252 1536 1878 2304 2504 2817 3756 4608 5008 5634 7512 10016 11268 15024 20032 22536 30048 40064 45072 60096 80128 90144 97969 120192 160256 180288 195938 240384 293907 360576 391876 480768 587814 721152 783752 881721 1175628 1442304 1567504 1763442 2351256 3135008 3526884 4702512 6270016 7053768 9405024 12540032 14107536 18810048 25080064 28215072 37620096 50160128 56430144 75240192 112860288 150480384 225720576 451441152