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30029207 = 137331643
BaseRepresentation
bin111001010001…
…1010110010111
32002111122022212
41302203112113
530141413312
62551344035
7513146465
oct162432627
962448285
1030029207
1115a5042a
12a08201b
1362b5380
143db9835
152982822
hex1ca3597

30029207 has 8 divisors (see below), whose sum is σ = 32783184. Its totient is φ = 27338688.

The previous prime is 30029203. The next prime is 30029213. The reversal of 30029207 is 70292003.

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

It is not a de Polignac number, because 30029207 - 22 = 30029203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30029201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14873 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (4097898).

Almost surely, 230029207 is an apocalyptic number.

30029207 is a deficient number, since it is larger than the sum of its proper divisors (2753977).

30029207 is a wasteful number, since it uses less digits than its factorization.

30029207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31729.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30029207 is about 5479.8911485540. The cubic root of 30029207 is about 310.8240544891.

The spelling of 30029207 in words is "thirty million, twenty-nine thousand, two hundred seven".

Divisors: 1 13 73 949 31643 411359 2309939 30029207