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214445004 = 223171377673
BaseRepresentation
bin11001100100000…
…10101111001100
3112221111221020120
430302002233030
5414344220004
633140144540
75212516044
oct1462025714
9487457216
10214445004
11100059784
125b998150
1335574147
14206a2724
1513c5e3d9
hexcc82bcc

214445004 has 48 divisors (see below), whose sum is σ = 533742048. Its totient is φ = 66777088.

The previous prime is 214445003. The next prime is 214445017. The reversal of 214445004 is 400544412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214445003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24112 + ... + 31784.

It is an arithmetic number, because the mean of its divisors is an integer number (11119626).

Almost surely, 2214445004 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 214445004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266871024).

214445004 is an abundant number, since it is smaller than the sum of its proper divisors (319297044).

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

214445004 is a wasteful number, since it uses less digits than its factorization.

214445004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834 (or 7832 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 214445004 is about 14643.9408630327. The cubic root of 214445004 is about 598.5567199103.

Adding to 214445004 its reverse (400544412), we get a palindrome (614989416).

The spelling of 214445004 in words is "two hundred fourteen million, four hundred forty-five thousand, four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 137 204 274 411 548 822 1644 2329 4658 6987 7673 9316 13974 15346 23019 27948 30692 46038 92076 130441 260882 391323 521764 782646 1051201 1565292 2102402 3153603 4204804 6307206 12614412 17870417 35740834 53611251 71481668 107222502 214445004