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407059972 = 221124173281
BaseRepresentation
bin11000010000110…
…011111000000100
31001100221210022021
4120100303320010
51313201404342
6104220412524
713041644524
oct3020637004
91040853267
10407059972
11199858200
12b43a7144
1366443bb7
143c0c1684
1525b0a567
hex18433e04

407059972 has 72 divisors (see below), whose sum is σ = 815980536. Its totient is φ = 177408000.

The previous prime is 407059949. The next prime is 407060011. The reversal of 407059972 is 279950704.

It can be written as a sum of positive squares in 4 ways, for example, as 21958596 + 385101376 = 4686^2 + 19624^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1448472 + ... + 1448752.

It is an arithmetic number, because the mean of its divisors is an integer number (11333063).

Almost surely, 2407059972 is an apocalyptic number.

It is an amenable number.

407059972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

407059972 is a wasteful number, since it uses less digits than its factorization.

407059972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 407059972 is about 20175.7272979192. The cubic root of 407059972 is about 741.1159034432.

The spelling of 407059972 in words is "four hundred seven million, fifty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 41 44 73 82 121 146 164 242 281 292 451 484 562 803 902 1124 1606 1804 2993 3091 3212 4961 5986 6182 8833 9922 11521 11972 12364 17666 19844 20513 23042 32923 34001 35332 41026 46084 65846 68002 82052 126731 131692 136004 225643 253462 362153 451286 506924 724306 841033 902572 1394041 1448612 1682066 2482073 2788082 3364132 4964146 5576164 9251363 9928292 18502726 37005452 101764993 203529986 407059972