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30157226 = 2115232621
BaseRepresentation
bin111001100001…
…0100110101010
32002202010221022
41303002212222
530210012401
62554212442
7514221641
oct163024652
962663838
1030157226
1116028630
12a124122
13632b718
144010358
1529aa71b
hex1cc29aa

30157226 has 16 divisors (see below), whose sum is σ = 49461408. Its totient is φ = 13676400.

The previous prime is 30157217. The next prime is 30157229. The reversal of 30157226 is 62275103.

It is a junction number, because it is equal to n+sod(n) for n = 30157195 and 30157204.

It is not an unprimeable number, because it can be changed into a prime (30157229) 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, 10196 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (3091338).

Almost surely, 230157226 is an apocalyptic number.

30157226 is a deficient number, since it is larger than the sum of its proper divisors (19304182).

30157226 is a wasteful number, since it uses less digits than its factorization.

30157226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30157226 is about 5491.5595234869. The cubic root of 30157226 is about 311.2651247737.

The spelling of 30157226 in words is "thirty million, one hundred fifty-seven thousand, two hundred twenty-six".

Divisors: 1 2 11 22 523 1046 2621 5242 5753 11506 28831 57662 1370783 2741566 15078613 30157226