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29396740 = 2251786461
BaseRepresentation
bin111000000100…
…0111100000100
32001022111202011
41300020330010
530011143430
62530024004
7504603532
oct160107404
961274664
1029396740
111565922a
129a18004
136123529
143c93152
1528aa22a
hex1c08f04

29396740 has 24 divisors (see below), whose sum is σ = 65365272. Its totient is φ = 11066880.

The previous prime is 29396729. The next prime is 29396747. The reversal of 29396740 is 4769392.

It can be written as a sum of positive squares in 4 ways, for example, as 16451136 + 12945604 = 4056^2 + 3598^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29396693 and 29396702.

It is not an unprimeable number, because it can be changed into a prime (29396747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42891 + ... + 43570.

It is an arithmetic number, because the mean of its divisors is an integer number (2723553).

Almost surely, 229396740 is an apocalyptic number.

29396740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29396740 is an abundant number, since it is smaller than the sum of its proper divisors (35968532).

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

29396740 is a wasteful number, since it uses less digits than its factorization.

29396740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86487 (or 86485 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 29396740 is about 5421.8760590777. The cubic root of 29396740 is about 308.6263886933.

The spelling of 29396740 in words is "twenty-nine million, three hundred ninety-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 86461 172922 345844 432305 864610 1469837 1729220 2939674 5879348 7349185 14698370 29396740