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29890713 = 39963571
BaseRepresentation
bin111001000000…
…1100010011001
32002020121100110
41302001202121
530123000323
62544354533
7512031636
oct162014231
962217313
1029890713
1115966376
12a015a49
136267318
143d8118d
152956793
hex1c81899

29890713 has 4 divisors (see below), whose sum is σ = 39854288. Its totient is φ = 19927140.

The previous prime is 29890711. The next prime is 29890717. The reversal of 29890713 is 31709892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29890713 - 21 = 29890711 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29890711) 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, 4981783 + ... + 4981788.

It is an arithmetic number, because the mean of its divisors is an integer number (9963572).

Almost surely, 229890713 is an apocalyptic number.

It is an amenable number.

29890713 is a deficient number, since it is larger than the sum of its proper divisors (9963575).

29890713 is an equidigital number, since it uses as much as digits as its factorization.

29890713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963574.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 29890713 is about 5467.2399800996. The cubic root of 29890713 is about 310.3454802536.

It can be divided in two parts, 29890 and 713, that added together give a palindrome (30603).

The spelling of 29890713 in words is "twenty-nine million, eight hundred ninety thousand, seven hundred thirteen".

Divisors: 1 3 9963571 29890713