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29509494 = 237702607
BaseRepresentation
bin111000010010…
…0011101110110
32001112020102020
41300210131312
530023300434
62532254010
7505553340
oct160443566
961466366
1029509494
1115725a13
129a71306
136162951
143cc2290
1528cd849
hex1c24776

29509494 has 16 divisors (see below), whose sum is σ = 67450368. Its totient is φ = 8431272.

The previous prime is 29509471. The next prime is 29509523. The reversal of 29509494 is 49490592.

It is a super-2 number, since 2×295094942 = 1741620472272072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 702607 = 29509494 / (2 + 9 + 5 + 0 + 9 + 4 + 9 + 4).

It is a congruent number.

It is an unprimeable number.

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, 351262 + ... + 351345.

It is an arithmetic number, because the mean of its divisors is an integer number (4215648).

Almost surely, 229509494 is an apocalyptic number.

29509494 is an abundant number, since it is smaller than the sum of its proper divisors (37940874).

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

29509494 is a wasteful number, since it uses less digits than its factorization.

29509494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702619.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 29509494 is about 5432.2641688342. The cubic root of 29509494 is about 309.0204739212.

It can be divided in two parts, 29509 and 494, that added together give a palindrome (30003).

The spelling of 29509494 in words is "twenty-nine million, five hundred nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 702607 1405214 2107821 4215642 4918249 9836498 14754747 29509494