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29928004 = 227482001
BaseRepresentation
bin111001000101…
…0101001000100
32002022111111121
41302022221010
530130144004
62545243324
7512245441
oct162125104
962274447
1029928004
1115991397
12a033544
13627b2a2
143d909c8
152962854
hex1c8aa44

29928004 has 6 divisors (see below), whose sum is σ = 52374014. Its totient is φ = 14964000.

The previous prime is 29928001. The next prime is 29928013. The reversal of 29928004 is 40082992.

It can be written as a sum of positive squares in only one way, i.e., 21529600 + 8398404 = 4640^2 + 2898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29928001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740997 + ... + 3741004.

Almost surely, 229928004 is an apocalyptic number.

It is an amenable number.

29928004 is a deficient number, since it is larger than the sum of its proper divisors (22446010).

29928004 is a wasteful number, since it uses less digits than its factorization.

29928004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482005 (or 7482003 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 29928004 is about 5470.6493216071. The cubic root of 29928004 is about 310.4744866985.

It can be divided in two parts, 29 and 928004, that multiplied together give a triangular number (26912116 = T7336).

The spelling of 29928004 in words is "twenty-nine million, nine hundred twenty-eight thousand, four".

Divisors: 1 2 4 7482001 14964002 29928004