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34445557 = 313759509
BaseRepresentation
bin1000001101100…
…1100011110101
32101211000102101
42003121203311
532304224212
63230142101
7565532236
oct203314365
971730371
1034445557
1118497503
12b651931
1371a05b3
14480908d
153056157
hex20d98f5

34445557 has 16 divisors (see below), whose sum is σ = 37209600. Its totient is φ = 31821120.

The previous prime is 34445527. The next prime is 34445563. The reversal of 34445557 is 75554443.

34445557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34445557 - 219 = 33921269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34445527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67419 + ... + 67927.

It is an arithmetic number, because the mean of its divisors is an integer number (2325600).

Almost surely, 234445557 is an apocalyptic number.

34445557 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

34445557 is a deficient number, since it is larger than the sum of its proper divisors (2764043).

34445557 is a wasteful number, since it uses less digits than its factorization.

34445557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 168000, while the sum is 37.

The square root of 34445557 is about 5869.0337364851. The cubic root of 34445557 is about 325.3701722996.

The spelling of 34445557 in words is "thirty-four million, four hundred forty-five thousand, five hundred fifty-seven".

Divisors: 1 31 37 59 509 1147 1829 2183 15779 18833 30031 67673 583823 930961 1111147 34445557