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29291368 = 233661421
BaseRepresentation
bin110111110111…
…1001101101000
32001010011012111
41233233031220
524444310433
62523452104
7503654401
oct157571550
961104174
1029291368
1115597047
129987034
1360b7592
143c669a8
152888dcd
hex1bef368

29291368 has 8 divisors (see below), whose sum is σ = 54921330. Its totient is φ = 14645680.

The previous prime is 29291359. The next prime is 29291377. The reversal of 29291368 is 86319292.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29291359) and next prime (29291377).

It can be written as a sum of positive squares in only one way, i.e., 27269284 + 2022084 = 5222^2 + 1422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×292913682 = 1715968478622848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29291368.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830703 + ... + 1830718.

Almost surely, 229291368 is an apocalyptic number.

It is an amenable number.

29291368 is a deficient number, since it is larger than the sum of its proper divisors (25629962).

29291368 is a wasteful number, since it uses less digits than its factorization.

29291368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661427 (or 3661423 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 29291368 is about 5412.1500348752. The cubic root of 29291368 is about 308.2571922695.

The spelling of 29291368 in words is "twenty-nine million, two hundred ninety-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 3661421 7322842 14645684 29291368