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54476440 = 2351361911
BaseRepresentation
bin1100111111001…
…1111010011000
310210111200121221
43033303322120
5102421221230
65223341424
71231020304
oct317637230
9123450557
1054476440
1128828a57
12162b1874
13b394aa5
147340d04
154bb127a
hex33f3e98

54476440 has 16 divisors (see below), whose sum is σ = 122572080. Its totient is φ = 21790560.

The previous prime is 54476437. The next prime is 54476441. The reversal of 54476440 is 4467445.

It is a junction number, because it is equal to n+sod(n) for n = 54476396 and 54476405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54476441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680916 + ... + 680995.

It is an arithmetic number, because the mean of its divisors is an integer number (7660755).

Almost surely, 254476440 is an apocalyptic number.

It is an amenable number.

54476440 is an abundant number, since it is smaller than the sum of its proper divisors (68095640).

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

54476440 is a wasteful number, since it uses less digits than its factorization.

54476440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361922 (or 1361918 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 54476440 is about 7380.8156730811. The cubic root of 54476440 is about 379.0846853041.

The spelling of 54476440 in words is "fifty-four million, four hundred seventy-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1361911 2723822 5447644 6809555 10895288 13619110 27238220 54476440