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30673340 = 225972163
BaseRepresentation
bin111010100000…
…0100110111100
32010201100220122
41311000212330
530323021330
63013234112
7521501435
oct165004674
963640818
1030673340
1116350375
12a332938
13647c609
14410648c
152a5d5e5
hex1d409bc

30673340 has 36 divisors (see below), whose sum is σ = 65484216. Its totient is φ = 12068352.

The previous prime is 30673339. The next prime is 30673343. The reversal of 30673340 is 4337603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30673343) 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, 188099 + ... + 188261.

It is an arithmetic number, because the mean of its divisors is an integer number (1819006).

Almost surely, 230673340 is an apocalyptic number.

It is an amenable number.

30673340 is an abundant number, since it is smaller than the sum of its proper divisors (34810876).

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

30673340 is a wasteful number, since it uses less digits than its factorization.

30673340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 30673340 is about 5538.3517403646. The cubic root of 30673340 is about 313.0307652122.

It can be divided in two parts, 30673 and 340, that added together give a palindrome (31013).

The spelling of 30673340 in words is "thirty million, six hundred seventy-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 97 163 194 326 388 485 652 815 970 1630 1940 3260 9409 15811 18818 31622 37636 47045 63244 79055 94090 158110 188180 316220 1533667 3067334 6134668 7668335 15336670 30673340