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461012090 = 25721185531
BaseRepresentation
bin11011011110100…
…111110001111010
31012010110211200212
4123132213301322
51421004341330
6113425031122
714265352400
oct3336476172
91163424625
10461012090
11217258230
1210a4854a2
1374684126
1445327470
152a716295
hex1b7a7c7a

461012090 has 48 divisors (see below), whose sum is σ = 1053069984. Its totient is φ = 143690400.

The previous prime is 461012087. The next prime is 461012093. The reversal of 461012090 is 90210164.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (461012087) and next prime (461012093).

It is not an unprimeable number, because it can be changed into a prime (461012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37376 + ... + 48155.

It is an arithmetic number, because the mean of its divisors is an integer number (21938958).

Almost surely, 2461012090 is an apocalyptic number.

461012090 is an abundant number, since it is smaller than the sum of its proper divisors (592057894).

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

461012090 is a wasteful number, since it uses less digits than its factorization.

461012090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85563 (or 85556 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 461012090 is about 21471.1920954566. The cubic root of 461012090 is about 772.5099910383.

The spelling of 461012090 in words is "four hundred sixty-one million, twelve thousand, ninety".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 154 245 385 490 539 770 1078 2695 5390 85531 171062 427655 598717 855310 940841 1197434 1881682 2993585 4191019 4704205 5987170 6585887 8382038 9408410 13171774 20955095 32929435 41910190 46101209 65858870 92202418 230506045 461012090