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29975452 = 22132572243
BaseRepresentation
bin111001001011…
…0001110011100
32002101220120221
41302112032130
530133203302
62550251124
7512533663
oct162261634
962356527
1029975452
1115a14001
12a056aa4
136296a70
143da3dda
152971937
hex1c9639c

29975452 has 24 divisors (see below), whose sum is σ = 56737296. Its totient is φ = 13774848.

The previous prime is 29975447. The next prime is 29975453. The reversal of 29975452 is 25457992.

It is a junction number, because it is equal to n+sod(n) for n = 29975399 and 29975408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29975453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12243 + ... + 14485.

It is an arithmetic number, because the mean of its divisors is an integer number (2364054).

Almost surely, 229975452 is an apocalyptic number.

It is an amenable number.

29975452 is a deficient number, since it is larger than the sum of its proper divisors (26761844).

29975452 is a wasteful number, since it uses less digits than its factorization.

29975452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 2515 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 29975452 is about 5474.9842008904. The cubic root of 29975452 is about 310.6384759756.

The spelling of 29975452 in words is "twenty-nine million, nine hundred seventy-five thousand, four hundred fifty-two".

Divisors: 1 2 4 13 26 52 257 514 1028 2243 3341 4486 6682 8972 13364 29159 58318 116636 576451 1152902 2305804 7493863 14987726 29975452