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30875416 = 231113137197
BaseRepresentation
bin111010111000…
…1111100011000
32011002122002221
41311301330120
530401003131
63021433424
7523302535
oct165617430
964078087
1030875416
1116479180
12a40b874
1365205a0
144159d8c
152a9d411
hex1d71f18

30875416 has 64 divisors (see below), whose sum is σ = 68856480. Its totient is φ = 12794880.

The previous prime is 30875413. The next prime is 30875441. The reversal of 30875416 is 61457803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156630 + ... + 156826.

Almost surely, 230875416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30875416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34428240).

30875416 is an abundant number, since it is smaller than the sum of its proper divisors (37981064).

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

30875416 is a wasteful number, since it uses less digits than its factorization.

30875416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 30875416 is about 5556.5651260468. The cubic root of 30875416 is about 313.7166768310.

The spelling of 30875416 in words is "thirty million, eight hundred seventy-five thousand, four hundred sixteen".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 137 143 197 274 286 394 548 572 788 1096 1144 1507 1576 1781 2167 2561 3014 3562 4334 5122 6028 7124 8668 10244 12056 14248 17336 19591 20488 26989 28171 39182 53978 56342 78364 107956 112684 156728 215912 225368 296879 350857 593758 701714 1187516 1403428 2375032 2806856 3859427 7718854 15437708 30875416