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44748940 = 2252237447
BaseRepresentation
bin1010101010110…
…1000010001100
310010012111000011
42222231002030
542423431230
64235043004
71052234245
oct252550214
9103174004
1044748940
11232945a5
1212ba0464
13936a282
145d2bccc
153ddde2a
hex2aad08c

44748940 has 12 divisors (see below), whose sum is σ = 93972816. Its totient is φ = 17899568.

The previous prime is 44748937. The next prime is 44748941. The reversal of 44748940 is 4984744.

It is a super-2 number, since 2×447489402 = 4004935262247200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44748893 and 44748902.

It is not an unprimeable number, because it can be changed into a prime (44748941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118704 + ... + 1118743.

It is an arithmetic number, because the mean of its divisors is an integer number (7831068).

Almost surely, 244748940 is an apocalyptic number.

It is an amenable number.

44748940 is an abundant number, since it is smaller than the sum of its proper divisors (49223876).

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

44748940 is a wasteful number, since it uses less digits than its factorization.

44748940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237456 (or 2237454 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 44748940 is about 6689.4648515408. The cubic root of 44748940 is about 355.0266197059.

The spelling of 44748940 in words is "forty-four million, seven hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2237447 4474894 8949788 11187235 22374470 44748940