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29372690 = 252937269
BaseRepresentation
bin111000000001…
…1000100010010
32001021021202102
41300003010102
530004411230
62525320402
7504443444
oct160030422
961237672
1029372690
1115642156
129a06102
1361155b9
143c88494
1528a3045
hex1c03112

29372690 has 8 divisors (see below), whose sum is σ = 52870860. Its totient is φ = 11749072.

The previous prime is 29372669. The next prime is 29372699. The reversal of 29372690 is 9627392.

It can be written as a sum of positive squares in 2 ways, for example, as 28334329 + 1038361 = 5323^2 + 1019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×293726902 = 1725509835672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29372699) 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, 1468625 + ... + 1468644.

Almost surely, 229372690 is an apocalyptic number.

29372690 is a deficient number, since it is larger than the sum of its proper divisors (23498170).

29372690 is a wasteful number, since it uses less digits than its factorization.

29372690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937276.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 29372690 is about 5419.6577382709. The cubic root of 29372690 is about 308.5422014703.

The spelling of 29372690 in words is "twenty-nine million, three hundred seventy-two thousand, six hundred ninety".

Divisors: 1 2 5 10 2937269 5874538 14686345 29372690