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28474076 = 227118519
BaseRepresentation
bin110110010011…
…1101011011100
31222120122002102
41230213223130
524242132301
62454144232
7464011541
oct154475334
958518072
1028474076
1115088aa4
129652078
135b8c587
143ad2bc8
152776b6b
hex1b27adc

28474076 has 6 divisors (see below), whose sum is σ = 49829640. Its totient is φ = 14237036.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474076 is 67047482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3559256 + ... + 3559263.

It is an arithmetic number, because the mean of its divisors is an integer number (8304940).

Almost surely, 228474076 is an apocalyptic number.

It is an amenable number.

28474076 is a deficient number, since it is larger than the sum of its proper divisors (21355564).

28474076 is a wasteful number, since it uses less digits than its factorization.

28474076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118523 (or 7118521 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 28474076 is about 5336.1105685696. The cubic root of 28474076 is about 305.3630935102.

It can be divided in two parts, 28 and 474076, that multiplied together give a triangular number (13274128 = T5152).

The spelling of 28474076 in words is "twenty-eight million, four hundred seventy-four thousand, seventy-six".

Divisors: 1 2 4 7118519 14237038 28474076