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44993970 = 2325771419
BaseRepresentation
bin1010101110100…
…0110110110010
310010122221010100
42223220312302
543004301340
64244213230
71054304520
oct253506662
9103587110
1044993970
11234416aa
121309a216
139424968
145d93310
153e3b830
hex2ae8db2

44993970 has 48 divisors (see below), whose sum is σ = 133698240. Its totient is φ = 10284192.

The previous prime is 44993969. The next prime is 44993981. The reversal of 44993970 is 7939944.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35080 + ... + 36339.

It is an arithmetic number, because the mean of its divisors is an integer number (2785380).

Almost surely, 244993970 is an apocalyptic number.

44993970 is an abundant number, since it is smaller than the sum of its proper divisors (88704270).

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

44993970 is a wasteful number, since it uses less digits than its factorization.

44993970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71439 (or 71436 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 44993970 is about 6707.7544677783. The cubic root of 44993970 is about 355.6734422826.

The spelling of 44993970 in words is "forty-four million, nine hundred ninety-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 71419 142838 214257 357095 428514 499933 642771 714190 999866 1071285 1285542 1499799 2142570 2499665 2999598 3213855 4499397 4999330 6427710 7498995 8998794 14997990 22496985 44993970