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30612199 = 411495011
BaseRepresentation
bin111010011000…
…1101011100111
32010121021001011
41310301223213
530314042244
63012043051
7521125252
oct164615347
963537034
1030612199
1116309442
12a303487
13645a837
1440cc099
152a4a434
hex1d31ae7

30612199 has 8 divisors (see below), whose sum is σ = 31575600. Its totient is φ = 29659200.

The previous prime is 30612193. The next prime is 30612203. The reversal of 30612199 is 99121603.

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

It is a cyclic number.

It is not a de Polignac number, because 30612199 - 25 = 30612167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30612199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30612193) 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, 3604 + ... + 8614.

It is an arithmetic number, because the mean of its divisors is an integer number (3946950).

Almost surely, 230612199 is an apocalyptic number.

30612199 is a deficient number, since it is larger than the sum of its proper divisors (963401).

30612199 is a wasteful number, since it uses less digits than its factorization.

30612199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 30612199 is about 5532.8292039426. The cubic root of 30612199 is about 312.8226393643.

The spelling of 30612199 in words is "thirty million, six hundred twelve thousand, one hundred ninety-nine".

Divisors: 1 41 149 5011 6109 205451 746639 30612199