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380024901 = 3242224989
BaseRepresentation
bin10110101001101…
…011100001000101
3222111002021011100
4112221223201011
51234241244101
6101413130313
712263105214
oct2651534105
9874067140
10380024901
11185572373
12a7329999
1360969609
143868507b
1523569e86
hex16a6b845

380024901 has 6 divisors (see below), whose sum is σ = 548924870. Its totient is φ = 253349928.

The previous prime is 380024867. The next prime is 380024917. The reversal of 380024901 is 109420083.

It can be written as a sum of positive squares in only one way, i.e., 255680100 + 124344801 = 15990^2 + 11151^2 .

It is not a de Polignac number, because 380024901 - 27 = 380024773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380024971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21112486 + ... + 21112503.

Almost surely, 2380024901 is an apocalyptic number.

It is an amenable number.

380024901 is a deficient number, since it is larger than the sum of its proper divisors (168899969).

380024901 is a wasteful number, since it uses less digits than its factorization.

380024901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42224995 (or 42224992 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 380024901 is about 19494.2273763286. The cubic root of 380024901 is about 724.3314652125.

Adding to 380024901 its reverse (109420083), we get a palindrome (489444984).

The spelling of 380024901 in words is "three hundred eighty million, twenty-four thousand, nine hundred one".

Divisors: 1 3 9 42224989 126674967 380024901