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90947417244 = 22329863302831
BaseRepresentation
bin101010010110011100…
…0110111010010011100
322200202021121111020220
41110230320313102130
52442230014322434
6105440342441340
76366522201645
oct1245470672234
9280667544226
1090947417244
113563049a752
1215762133250
1387651ab5b8
14458aa7c6cc
152574622d49
hex152ce3749c

90947417244 has 48 divisors (see below), whose sum is σ = 219783352320. Its totient is φ = 29236419520.

The previous prime is 90947417227. The next prime is 90947417261. The reversal of 90947417244 is 44271474909.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90947417227) and next prime (90947417261).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 148909 + ... + 451739.

It is an arithmetic number, because the mean of its divisors is an integer number (4578819840).

Almost surely, 290947417244 is an apocalyptic number.

It is an amenable number.

90947417244 is an abundant number, since it is smaller than the sum of its proper divisors (128835935076).

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

90947417244 is a wasteful number, since it uses less digits than its factorization.

90947417244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303730 (or 303728 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 90947417244 in words is "ninety billion, nine hundred forty-seven million, four hundred seventeen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 863 1726 2589 3452 5178 10356 25027 50054 75081 100108 150162 300324 302831 605662 908493 1211324 1816986 3633972 8782099 17564198 26346297 35128396 52692594 105385188 261343153 522686306 784029459 1045372612 1568058918 3136117836 7578951437 15157902874 22736854311 30315805748 45473708622 90947417244