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34881072 = 243726689
BaseRepresentation
bin1000010100001…
…1111000110000
32102122010211120
42011003320300
532412143242
63243342240
7602325042
oct205037060
972563746
1034881072
1118764736
12b821980
1372c38b5
1448bda92
1530e01ec
hex2143e30

34881072 has 20 divisors (see below), whose sum is σ = 90109560. Its totient is φ = 11627008.

The previous prime is 34881061. The next prime is 34881073. The reversal of 34881072 is 27018843.

It is not an unprimeable number, because it can be changed into a prime (34881073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363297 + ... + 363392.

It is an arithmetic number, because the mean of its divisors is an integer number (4505478).

Almost surely, 234881072 is an apocalyptic number.

It is an amenable number.

34881072 is an abundant number, since it is smaller than the sum of its proper divisors (55228488).

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

34881072 is a wasteful number, since it uses less digits than its factorization.

34881072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726700 (or 726694 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 34881072 is about 5906.0199796479. The cubic root of 34881072 is about 326.7357140361.

It can be divided in two parts, 3488 and 1072, that added together give a triangular number (4560 = T95).

The spelling of 34881072 in words is "thirty-four million, eight hundred eighty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 726689 1453378 2180067 2906756 4360134 5813512 8720268 11627024 17440536 34881072