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30296830 = 2519159457
BaseRepresentation
bin111001110010…
…0101011111110
32010000020102211
41303210223332
530223444310
63001211034
7515342644
oct163445376
963006384
1030296830
1116113503
12a190a7a
13637a125
144049194
1529d6c8a
hex1ce4afe

30296830 has 16 divisors (see below), whose sum is σ = 57404880. Its totient is φ = 11480832.

The previous prime is 30296813. The next prime is 30296837. The reversal of 30296830 is 3869203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30296792 and 30296801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30296837) 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, 79539 + ... + 79918.

It is an arithmetic number, because the mean of its divisors is an integer number (3587805).

Almost surely, 230296830 is an apocalyptic number.

30296830 is a deficient number, since it is larger than the sum of its proper divisors (27108050).

30296830 is a wasteful number, since it uses less digits than its factorization.

30296830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159483.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30296830 is about 5504.2556263313. The cubic root of 30296830 is about 311.7446889542.

The spelling of 30296830 in words is "thirty million, two hundred ninety-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 159457 318914 797285 1594570 3029683 6059366 15148415 30296830