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30275350 = 252786501
BaseRepresentation
bin111001101111…
…1011100010110
32002222010222021
41303133130112
530222302400
63000523354
7515223220
oct163373426
962863867
1030275350
11160a9356
12a18055a
136370411
144041410
1529d071a
hex1cdf716

30275350 has 24 divisors (see below), whose sum is σ = 64357488. Its totient is φ = 10380000.

The previous prime is 30275347. The next prime is 30275359. The reversal of 30275350 is 5357203.

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 (30275359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42901 + ... + 43600.

It is an arithmetic number, because the mean of its divisors is an integer number (2681562).

Almost surely, 230275350 is an apocalyptic number.

30275350 is an abundant number, since it is smaller than the sum of its proper divisors (34082138).

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

30275350 is a wasteful number, since it uses less digits than its factorization.

30275350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86520 (or 86515 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 30275350 is about 5502.3040628449. The cubic root of 30275350 is about 311.6709974265.

It can be divided in two parts, 30275 and 350, that added together give a square (30625 = 1752).

The spelling of 30275350 in words is "thirty million, two hundred seventy-five thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 86501 173002 432505 605507 865010 1211014 2162525 3027535 4325050 6055070 15137675 30275350