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29744028 = 22322393457
BaseRepresentation
bin111000101110…
…1101110011100
32001222011010200
41301131232130
530103302103
62541303500
7510551166
oct161355634
961864120
1029744028
1115876146
129b64b90
136215622
143d43936
1529280a3
hex1c5db9c

29744028 has 36 divisors (see below), whose sum is σ = 75522720. Its totient is φ = 9870336.

The previous prime is 29744023. The next prime is 29744051. The reversal of 29744028 is 82044792.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29743983 and 29744001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29744023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6876 + ... + 10332.

Almost surely, 229744028 is an apocalyptic number.

It is an amenable number.

29744028 is an abundant number, since it is smaller than the sum of its proper divisors (45778692).

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

29744028 is a wasteful number, since it uses less digits than its factorization.

29744028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 29744028 is about 5453.8085774988. The cubic root of 29744028 is about 309.8369867886.

The spelling of 29744028 in words is "twenty-nine million, seven hundred forty-four thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 239 478 717 956 1434 2151 2868 3457 4302 6914 8604 10371 13828 20742 31113 41484 62226 124452 826223 1652446 2478669 3304892 4957338 7436007 9914676 14872014 29744028