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29990964 = 2232499247
BaseRepresentation
bin111001001101…
…0000000110100
32002102200212110
41302122000310
530134202324
62550451020
7512630133
oct162320064
962380773
1029990964
1115a24723
12a063a70
1362a0b43
143da991a
152976329
hex1c9a034

29990964 has 12 divisors (see below), whose sum is σ = 69978944. Its totient is φ = 9996984.

The previous prime is 29990963. The next prime is 29990993. The reversal of 29990964 is 46909992.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29990963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249612 + ... + 1249635.

Almost surely, 229990964 is an apocalyptic number.

It is an amenable number.

29990964 is an abundant number, since it is smaller than the sum of its proper divisors (39987980).

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

29990964 is a wasteful number, since it uses less digits than its factorization.

29990964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499254 (or 2499252 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 29990964 is about 5476.4006427580. The cubic root of 29990964 is about 310.6920508484.

The spelling of 29990964 in words is "twenty-nine million, nine hundred ninety thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 2499247 4998494 7497741 9996988 14995482 29990964