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469949040 = 243451119347
BaseRepresentation
bin11100000000101…
…101101001110000
31012202021212220000
4130000231221300
51430301332130
6114344350000
714434333551
oct3400555160
91182255800
10469949040
11221301740
12111475300
1376492b72
14465b2328
152b3ce260
hex1c02da70

469949040 has 400 divisors, whose sum is σ = 1879701120. Its totient is φ = 107619840.

The previous prime is 469948981. The next prime is 469949113. The reversal of 469949040 is 40949964.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1354147 + ... + 1354493.

Almost surely, 2469949040 is an apocalyptic number.

469949040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469949040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939850560).

469949040 is an abundant number, since it is smaller than the sum of its proper divisors (1409752080).

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

469949040 is a wasteful number, since it uses less digits than its factorization.

469949040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 469949040 is about 21678.3080520598. The cubic root of 469949040 is about 777.4699085068.

The spelling of 469949040 in words is "four hundred sixty-nine million, nine hundred forty-nine thousand, forty".