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63143948 = 22721132851
BaseRepresentation
bin1111000011100…
…0000000001100
311101211001012202
43300320000030
5112131101243
610133221032
71364500100
oct360700014
9141731182
1063143948
1132708a8a
1219191778
131010acaa
148559900
1558244b8
hex3c3800c

63143948 has 36 divisors (see below), whose sum is σ = 129726072. Its totient is φ = 26812800.

The previous prime is 63143939. The next prime is 63143963. The reversal of 63143948 is 84934136.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20723 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (3603502).

Almost surely, 263143948 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 63143948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64863036).

63143948 is an abundant number, since it is smaller than the sum of its proper divisors (66582124).

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

63143948 is a wasteful number, since it uses less digits than its factorization.

63143948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2973 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 63143948 is about 7946.3166309933. The cubic root of 63143948 is about 398.2085470519.

The spelling of 63143948 in words is "sixty-three million, one hundred forty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 49 98 113 196 226 452 791 1582 2851 3164 5537 5702 11074 11404 19957 22148 39914 79828 139699 279398 322163 558796 644326 1288652 2255141 4510282 9020564 15785987 31571974 63143948