Search a number
-
+
253868002 = 2397319733
BaseRepresentation
bin11110010000110…
…11011111100010
3122200200211102121
433020123133202
51004442234002
641105134454
76201561643
oct1710333742
9580624377
10253868002
11120335873
127102a42a
134079816b
1425a056ca
151744a237
hexf21b7e2

253868002 has 8 divisors (see below), whose sum is σ = 381762396. Its totient is φ = 126613872.

The previous prime is 253867967. The next prime is 253868029. The reversal of 253868002 is 200868352.

It can be written as a sum of positive squares in 2 ways, for example, as 235898881 + 17969121 = 15359^2 + 4239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159073 + ... + 160660.

Almost surely, 2253868002 is an apocalyptic number.

253868002 is a deficient number, since it is larger than the sum of its proper divisors (127894394).

253868002 is a wasteful number, since it uses less digits than its factorization.

253868002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320132.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 253868002 is about 15933.2357667864. The cubic root of 253868002 is about 633.1928298353.

The spelling of 253868002 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, two".

Divisors: 1 2 397 794 319733 639466 126934001 253868002