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469618380 = 22325711311093
BaseRepresentation
bin11011111111011…
…100111011001100
31012201200002022100
4123333130323030
51430210242010
6114333315100
714431455540
oct3377347314
91181602270
10469618380
112210a6270
12111335a90
13763a84ca
1446527a20
152b3662c0
hex1bfdcecc

469618380 has 288 divisors, whose sum is σ = 1834979328. Its totient is φ = 94348800.

The previous prime is 469618337. The next prime is 469618403. The reversal of 469618380 is 83816964.

469618380 is a `hidden beast` number, since 469 + 6 + 183 + 8 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 429114 + ... + 430206.

It is an arithmetic number, because the mean of its divisors is an integer number (6371456).

Almost surely, 2469618380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469618380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917489664).

469618380 is an abundant number, since it is smaller than the sum of its proper divisors (1365360948).

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

469618380 is a wasteful number, since it uses less digits than its factorization.

469618380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 469618380 is about 21670.6801923705. The cubic root of 469618380 is about 777.2875209884.

The spelling of 469618380 in words is "four hundred sixty-nine million, six hundred eighteen thousand, three hundred eighty".