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30626156 = 22112353571
BaseRepresentation
bin111010011010…
…1000101101100
32010121222012002
41310311011230
530320014111
63012231432
7521214041
oct164650554
963558162
1030626156
1116318980
12a30b578
136463cb2
1440d31c8
152a4e63b
hex1d3516c

30626156 has 48 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 13041600.

The previous prime is 30626153. The next prime is 30626173. The reversal of 30626156 is 65162603.

It is a super-2 number, since 2×306261562 = 1875922862672672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30626153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53351 + ... + 53921.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 230626156 is an apocalyptic number.

It is an amenable number.

30626156 is an abundant number, since it is smaller than the sum of its proper divisors (31644052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30626156 is a wasteful number, since it uses less digits than its factorization.

30626156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30626156 is about 5534.0903498226. The cubic root of 30626156 is about 312.8701738152.

Adding to 30626156 its reverse (65162603), we get a palindrome (95788759).

It can be divided in two parts, 306 and 26156, that added together give a palindrome (26462).

The spelling of 30626156 in words is "thirty million, six hundred twenty-six thousand, one hundred fifty-six".

Divisors: 1 2 4 11 22 23 44 46 53 92 106 212 253 506 571 583 1012 1142 1166 1219 2284 2332 2438 4876 6281 12562 13133 13409 25124 26266 26818 30263 52532 53636 60526 121052 144463 288926 332893 577852 665786 696049 1331572 1392098 2784196 7656539 15313078 30626156