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44748972 = 22322942863
BaseRepresentation
bin1010101010110…
…1000010101100
310010012111001100
42222231002230
542423431342
64235043100
71052234322
oct252550254
9103174040
1044748972
1123294624
1212ba0490
13936a2a8
145d2bd12
153ddde4c
hex2aad0ac

44748972 has 36 divisors (see below), whose sum is σ = 117018720. Its totient is φ = 14401632.

The previous prime is 44748967. The next prime is 44748973. The reversal of 44748972 is 27984744.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (44748973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20388 + ... + 22475.

It is an arithmetic number, because the mean of its divisors is an integer number (3250520).

Almost surely, 244748972 is an apocalyptic number.

It is an amenable number.

44748972 is an abundant number, since it is smaller than the sum of its proper divisors (72269748).

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

44748972 is a wasteful number, since it uses less digits than its factorization.

44748972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42902 (or 42897 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 44748972 is about 6689.4672433610. The cubic root of 44748972 is about 355.0267043325.

It can be divided in two parts, 447489 and 72, that added together give a square (447561 = 6692).

The spelling of 44748972 in words is "forty-four million, seven hundred forty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 42863 85726 128589 171452 257178 385767 514356 771534 1243027 1543068 2486054 3729081 4972108 7458162 11187243 14916324 22374486 44748972