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30448150 = 2526167149
BaseRepresentation
bin111010000100…
…1101000010110
32010021221000021
41310021220112
530243320100
63004335354
7516543055
oct164115026
963257007
1030448150
1116207167
12a24455a
136400c75
14408839c
152a16a1a
hex1d09a16

30448150 has 48 divisors (see below), whose sum is σ = 58813200. Its totient is φ = 11721600.

The previous prime is 30448133. The next prime is 30448153. The reversal of 30448150 is 5184403.

30448150 = 3762 + 3772 + ... + 5242.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30448153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204276 + ... + 204424.

It is an arithmetic number, because the mean of its divisors is an integer number (1225275).

Almost surely, 230448150 is an apocalyptic number.

30448150 is a deficient number, since it is larger than the sum of its proper divisors (28365050).

30448150 is a wasteful number, since it uses less digits than its factorization.

30448150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 30448150 is about 5517.9842333954. The cubic root of 30448150 is about 312.2628387267.

The spelling of 30448150 in words is "thirty million, four hundred forty-eight thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 61 67 122 134 149 298 305 335 610 670 745 1490 1525 1675 3050 3350 3725 4087 7450 8174 9089 9983 18178 19966 20435 40870 45445 49915 90890 99830 102175 204350 227225 249575 454450 499150 608963 1217926 3044815 6089630 15224075 30448150