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30724374 = 235120729
BaseRepresentation
bin111010100110…
…1000100010110
32010210221220210
41311031010112
530331134444
63014310250
7522103302
oct165150426
963727823
1030724374
111638574a
12a358386
136499905
14411ad02
152a6d7b9
hex1d4d116

30724374 has 8 divisors (see below), whose sum is σ = 61448760. Its totient is φ = 10241456.

The previous prime is 30724339. The next prime is 30724399. The reversal of 30724374 is 47342703.

It is a sphenic number, since it is the product of 3 distinct primes.

30724374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560359 + ... + 2560370.

It is an arithmetic number, because the mean of its divisors is an integer number (7681095).

Almost surely, 230724374 is an apocalyptic number.

30724374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30724374 is a wasteful number, since it uses less digits than its factorization.

30724374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120734.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 30724374 is about 5542.9571530006. The cubic root of 30724374 is about 313.2042748512.

The spelling of 30724374 in words is "thirty million, seven hundred twenty-four thousand, three hundred seventy-four".

Divisors: 1 2 3 6 5120729 10241458 15362187 30724374