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201990048 = 253132331227
BaseRepresentation
bin11000000101000…
…01111110100000
3112002002011020220
430002201332200
5403202140143
632013203040
75001613161
oct1402417640
9462064226
10201990048
11a4022127
1257790480
1332b03050
141cb7d768
1512aedd83
hexc0a1fa0

201990048 has 192 divisors, whose sum is σ = 617766912. Its totient is φ = 57277440.

The previous prime is 201990043. The next prime is 201990097. The reversal of 201990048 is 840099102.

It is not an unprimeable number, because it can be changed into a prime (201990043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 889711 + ... + 889937.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 2201990048 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 201990048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308883456).

201990048 is an abundant number, since it is smaller than the sum of its proper divisors (415776864).

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

201990048 is a wasteful number, since it uses less digits than its factorization.

201990048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 201990048 is about 14212.3202891013. The cubic root of 201990048 is about 586.7367948766.

The spelling of 201990048 in words is "two hundred one million, nine hundred ninety thousand, forty-eight".