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40450970 = 2572312663
BaseRepresentation
bin1001101001001…
…1101110011010
32211010010022002
42122103232122
540323412340
64003001002
71000553600
oct232235632
984103262
1040450970
112091945a
1211669162
1384c3bb1
14552d870
153840715
hex2693b9a

40450970 has 48 divisors (see below), whose sum is σ = 87464448. Its totient is φ = 13416480.

The previous prime is 40450919. The next prime is 40451009. The reversal of 40450970 is 7905404.

It is a Curzon number.

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, 13859 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (1822176).

Almost surely, 240450970 is an apocalyptic number.

40450970 is an abundant number, since it is smaller than the sum of its proper divisors (47013478).

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

40450970 is a wasteful number, since it uses less digits than its factorization.

40450970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40450970 is about 6360.1077034906. The cubic root of 40450970 is about 343.2756357207.

The spelling of 40450970 in words is "forty million, four hundred fifty thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 31 35 49 62 70 98 155 217 245 310 434 490 1085 1519 2170 2663 3038 5326 7595 13315 15190 18641 26630 37282 82553 93205 130487 165106 186410 260974 412765 577871 652435 825530 1155742 1304870 2889355 4045097 5778710 8090194 20225485 40450970