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30150150 = 23521971149
BaseRepresentation
bin111001100000…
…0111000000110
32002201210020020
41303000320012
530204301100
62554120010
7514162212
oct163007006
962653206
1030150150
1116023288
12a120006
136328434
14400b942
1529a85a0
hex1cc0e06

30150150 has 96 divisors (see below), whose sum is σ = 80352000. Its totient is φ = 7459200.

The previous prime is 30150103. The next prime is 30150157. The reversal of 30150150 is 5105103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30150157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202276 + ... + 202424.

It is an arithmetic number, because the mean of its divisors is an integer number (837000).

Almost surely, 230150150 is an apocalyptic number.

30150150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30150150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40176000).

30150150 is an abundant number, since it is smaller than the sum of its proper divisors (50201850).

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

30150150 is a wasteful number, since it uses less digits than its factorization.

30150150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 30150150 is about 5490.9152242591. The cubic root of 30150150 is about 311.2407781013.

Adding to 30150150 its reverse (5105103), we get a palindrome (35255253).

The spelling of 30150150 in words is "thirty million, one hundred fifty thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 71 75 95 114 142 149 150 190 213 285 298 355 426 447 475 570 710 745 894 950 1065 1349 1425 1490 1775 2130 2235 2698 2831 2850 3550 3725 4047 4470 5325 5662 6745 7450 8094 8493 10579 10650 11175 13490 14155 16986 20235 21158 22350 28310 31737 33725 40470 42465 52895 63474 67450 70775 84930 101175 105790 141550 158685 201001 202350 212325 264475 317370 402002 424650 528950 603003 793425 1005005 1206006 1586850 2010010 3015015 5025025 6030030 10050050 15075075 30150150