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54431004 = 2234535917
BaseRepresentation
bin1100111110100…
…0110100011100
310210102101022010
43033220310130
5102413243004
65222351220
71230440655
oct317506434
9123371263
1054431004
11287a7901
121628b510
13b37a1c4
14732c52c
154ba2a89
hex33e8d1c

54431004 has 12 divisors (see below), whose sum is σ = 127005704. Its totient is φ = 18143664.

The previous prime is 54430997. The next prime is 54431011. The reversal of 54431004 is 40013445.

It is an interprime number because it is at equal distance from previous prime (54430997) and next prime (54431011).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267947 + ... + 2267970.

Almost surely, 254431004 is an apocalyptic number.

It is an amenable number.

54431004 is an abundant number, since it is smaller than the sum of its proper divisors (72574700).

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

54431004 is a wasteful number, since it uses less digits than its factorization.

54431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535924 (or 4535922 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54431004 is about 7377.7370514271. The cubic root of 54431004 is about 378.9792643028.

Adding to 54431004 its reverse (40013445), we get a palindrome (94444449).

The spelling of 54431004 in words is "fifty-four million, four hundred thirty-one thousand, four".

Divisors: 1 2 3 4 6 12 4535917 9071834 13607751 18143668 27215502 54431004