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30704375 = 54133779
BaseRepresentation
bin111010100100…
…0001011110111
32010202221111002
41311020023313
530330020000
63014033515
7521661062
oct165101367
963687432
1030704375
1116371719
12a34889b
136490790
1441138d9
152a678d5
hex1d482f7

30704375 has 20 divisors (see below), whose sum is σ = 41330520. Its totient is φ = 22668000.

The previous prime is 30704371. The next prime is 30704381. The reversal of 30704375 is 57340703.

It is not a de Polignac number, because 30704375 - 22 = 30704371 is a prime.

It is a super-4 number, since 4×307043754 (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30704371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6236 + ... + 10014.

It is an arithmetic number, because the mean of its divisors is an integer number (2066526).

Almost surely, 230704375 is an apocalyptic number.

30704375 is a deficient number, since it is larger than the sum of its proper divisors (10626145).

30704375 is an equidigital number, since it uses as much as digits as its factorization.

30704375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 30704375 is about 5541.1528583861. The cubic root of 30704375 is about 313.1363034978.

The spelling of 30704375 in words is "thirty million, seven hundred four thousand, three hundred seventy-five".

Divisors: 1 5 13 25 65 125 325 625 1625 3779 8125 18895 49127 94475 245635 472375 1228175 2361875 6140875 30704375