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61444308 = 2235120359
BaseRepresentation
bin1110101001100…
…1000011010100
311021121200202010
43222121003110
5111212204213
610032544220
71344160632
oct352310324
9137550663
1061444308
1131758022
12186b2070
13c9644a3
148236352
1555daac3
hex3a990d4

61444308 has 12 divisors (see below), whose sum is σ = 143370080. Its totient is φ = 20481432.

The previous prime is 61444297. The next prime is 61444321. The reversal of 61444308 is 80344416.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 2560168 + ... + 2560191.

Almost surely, 261444308 is an apocalyptic number.

It is an amenable number.

61444308 is an abundant number, since it is smaller than the sum of its proper divisors (81925772).

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

61444308 is a wasteful number, since it uses less digits than its factorization.

61444308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120366 (or 5120364 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 61444308 is about 7838.6419742198. The cubic root of 61444308 is about 394.6031542829.

The spelling of 61444308 in words is "sixty-one million, four hundred forty-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 5120359 10240718 15361077 20481436 30722154 61444308