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30752772 = 2233769263
BaseRepresentation
bin111010101010…
…0000000000100
32010212101212120
41311110000010
530333042042
63015045540
7522252141
oct165240004
963771776
1030752772
11163a5016
12a3708b0
1364a980b
1441273c8
152a76dec
hex1d54004

30752772 has 24 divisors (see below), whose sum is σ = 73696896. Its totient is φ = 9973728.

The previous prime is 30752767. The next prime is 30752791. The reversal of 30752772 is 27725703.

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, 34188 + ... + 35075.

It is an arithmetic number, because the mean of its divisors is an integer number (3070704).

Almost surely, 230752772 is an apocalyptic number.

It is an amenable number.

30752772 is an abundant number, since it is smaller than the sum of its proper divisors (42944124).

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

30752772 is a wasteful number, since it uses less digits than its factorization.

30752772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69307 (or 69305 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 30752772 is about 5545.5181903948. The cubic root of 30752772 is about 313.3007415424.

The spelling of 30752772 in words is "thirty million, seven hundred fifty-two thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 69263 138526 207789 277052 415578 831156 2562731 5125462 7688193 10250924 15376386 30752772