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30350397 = 3711375367
BaseRepresentation
bin111001111000…
…1110000111101
32010002221220210
41303301300331
530232203042
63002303033
7515655060
oct163616075
963087823
1030350397
111614a780
12a1b7a79
13639861c
1440608d7
1529e7a9c
hex1cf1c3d

30350397 has 64 divisors (see below), whose sum is σ = 53581824. Its totient is φ = 14826240.

The previous prime is 30350387. The next prime is 30350431. The reversal of 30350397 is 79305303.

It is not a de Polignac number, because 30350397 - 24 = 30350381 is a prime.

It is a super-2 number, since 2×303503972 = 1842293196115218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30350357) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452958 + ... + 453024.

It is an arithmetic number, because the mean of its divisors is an integer number (837216).

Almost surely, 230350397 is an apocalyptic number.

30350397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30350397 is a deficient number, since it is larger than the sum of its proper divisors (23231427).

30350397 is a wasteful number, since it uses less digits than its factorization.

30350397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 8505, while the sum is 30.

The square root of 30350397 is about 5509.1194396201. The cubic root of 30350397 is about 311.9283098764.

The spelling of 30350397 in words is "thirty million, three hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 3 7 11 21 33 37 53 67 77 111 159 201 231 259 371 407 469 583 737 777 1113 1221 1407 1749 1961 2211 2479 2849 3551 4081 5159 5883 7437 8547 10653 12243 13727 15477 17353 21571 24857 27269 39061 41181 52059 64713 74571 81807 117183 131387 150997 190883 273427 394161 452991 572649 820281 919709 1445257 2759127 4335771 10116799 30350397