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30193960 = 2351514999
BaseRepresentation
bin111001100101…
…1100100101000
32002211000022211
41303023210220
530212201320
62555054504
7514434016
oct163134450
962730284
1030193960
1116053195
12a141434
136342364
14401d8b6
1529b655a
hex1ccb928

30193960 has 32 divisors (see below), whose sum is σ = 68400000. Its totient is φ = 11995200.

The previous prime is 30193949. The next prime is 30193973. The reversal of 30193960 is 6939103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3541 + ... + 8539.

It is an arithmetic number, because the mean of its divisors is an integer number (2137500).

Almost surely, 230193960 is an apocalyptic number.

It is an amenable number.

30193960 is an abundant number, since it is smaller than the sum of its proper divisors (38206040).

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

30193960 is a wasteful number, since it uses less digits than its factorization.

30193960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161 (or 5157 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 30193960 is about 5494.9030928671. The cubic root of 30193960 is about 311.3914557312.

The spelling of 30193960 in words is "thirty million, one hundred ninety-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 151 302 604 755 1208 1510 3020 4999 6040 9998 19996 24995 39992 49990 99980 199960 754849 1509698 3019396 3774245 6038792 7548490 15096980 30193960