Search a number
-
+
102453244 = 2219270951
BaseRepresentation
bin1100001101101…
…00111111111100
321010210011102121
412012310333330
5202212000434
614055532324
72352560335
oct606647774
9233704377
10102453244
1152917703
122a38a0a4
13182c232a
14d86d28c
158edb7b4
hex61b4ffc

102453244 has 18 divisors (see below), whose sum is σ = 189228984. Its totient is φ = 48529800.

The previous prime is 102453229. The next prime is 102453277. The reversal of 102453244 is 442354201.

It is a happy number.

It is a super-2 number, since 2×1024532442 = 20993334412247072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34032 + ... + 36919.

Almost surely, 2102453244 is an apocalyptic number.

It is an amenable number.

102453244 is a deficient number, since it is larger than the sum of its proper divisors (86775740).

102453244 is a wasteful number, since it uses less digits than its factorization.

102453244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70993 (or 70972 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 102453244 is about 10121.9189880180. The cubic root of 102453244 is about 467.9239107311.

The spelling of 102453244 in words is "one hundred two million, four hundred fifty-three thousand, two hundred forty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 70951 141902 283804 1348069 2696138 5392276 25613311 51226622 102453244