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28411004 = 2219312389
BaseRepresentation
bin110110001100…
…0010001111100
31222110102120102
41230120101330
524233123004
62452540232
7463326626
oct154302174
958412512
1028411004
1115045676
129621678
135b6995b
143ab7c16
15276311e
hex1b1847c

28411004 has 36 divisors (see below), whose sum is σ = 54217800. Its totient is φ = 12990240.

The previous prime is 28410989. The next prime is 28411013. The reversal of 28411004 is 40011482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72842 + ... + 73230.

It is an arithmetic number, because the mean of its divisors is an integer number (1506050).

Almost surely, 228411004 is an apocalyptic number.

It is an amenable number.

28411004 is a deficient number, since it is larger than the sum of its proper divisors (25806796).

28411004 is a wasteful number, since it uses less digits than its factorization.

28411004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 28411004 is about 5330.1973697041. The cubic root of 28411004 is about 305.1374602103.

Adding to 28411004 its reverse (40011482), we get a palindrome (68422486).

The spelling of 28411004 in words is "twenty-eight million, four hundred eleven thousand, four".

Divisors: 1 2 4 19 31 38 62 76 124 389 589 778 961 1178 1556 1922 2356 3844 7391 12059 14782 18259 24118 29564 36518 48236 73036 229121 373829 458242 747658 916484 1495316 7102751 14205502 28411004