Search a number
-
+
63142408 = 2376716829
BaseRepresentation
bin1111000011011…
…1101000001000
311101210222002201
43300313220020
5112131024113
610133205544
71364462440
oct360675010
9141728081
1063142408
113270790a
12191908b4
131010a394
148559120
155823cdd
hex3c37a08

63142408 has 32 divisors (see below), whose sum is σ = 137332800. Its totient is φ = 26655552.

The previous prime is 63142397. The next prime is 63142411. The reversal of 63142408 is 80424136.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 12166.

It is an arithmetic number, because the mean of its divisors is an integer number (4291650).

Almost surely, 263142408 is an apocalyptic number.

It is an amenable number.

63142408 is an abundant number, since it is smaller than the sum of its proper divisors (74190392).

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

63142408 is a wasteful number, since it uses less digits than its factorization.

63142408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909 (or 16905 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 63142408 is about 7946.2197301610. The cubic root of 63142408 is about 398.2053097602.

The spelling of 63142408 in words is "sixty-three million, one hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 469 536 938 1876 3752 16829 33658 67316 117803 134632 235606 471212 942424 1127543 2255086 4510172 7892801 9020344 15785602 31571204 63142408