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44897669 = 105142719
BaseRepresentation
bin1010101101000…
…1010110000101
310010111001000122
42223101112011
542443211134
64242151325
71053423665
oct253212605
9103431018
1044897669
1123386313
1213052545
1393bcb8b
145d6a1a5
153e1d02e
hex2ad1585

44897669 has 4 divisors (see below), whose sum is σ = 44941440. Its totient is φ = 44853900.

The previous prime is 44897653. The next prime is 44897693. The reversal of 44897669 is 96679844.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44897669 - 24 = 44897653 is a prime.

It is a super-2 number, since 2×448976692 = 4031601363267122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44897669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44897639) 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, 20309 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (11235360).

Almost surely, 244897669 is an apocalyptic number.

It is an amenable number.

44897669 is a deficient number, since it is larger than the sum of its proper divisors (43771).

44897669 is a wasteful number, since it uses less digits than its factorization.

44897669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43770.

The product of its digits is 2612736, while the sum is 53.

The square root of 44897669 is about 6700.5722889914. The cubic root of 44897669 is about 355.4195106729.

The spelling of 44897669 in words is "forty-four million, eight hundred ninety-seven thousand, six hundred sixty-nine".

Divisors: 1 1051 42719 44897669