Search a number
-
+
253859492 = 2263464873
BaseRepresentation
bin11110010000110…
…01011010100100
3122200200101202102
433020121122210
51004442000432
641105031232
76201525065
oct1710313244
9580611672
10253859492
1112032a437
1271025518
1340794323
1425a0256c
1517447962
hexf2196a4

253859492 has 6 divisors (see below), whose sum is σ = 444254118. Its totient is φ = 126929744.

The previous prime is 253859467. The next prime is 253859509. The reversal of 253859492 is 294958352.

It can be written as a sum of positive squares in only one way, i.e., 151930276 + 101929216 = 12326^2 + 10096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31732433 + ... + 31732440.

It is an arithmetic number, because the mean of its divisors is an integer number (74042353).

Almost surely, 2253859492 is an apocalyptic number.

It is an amenable number.

253859492 is a deficient number, since it is larger than the sum of its proper divisors (190394626).

253859492 is a wasteful number, since it uses less digits than its factorization.

253859492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63464877 (or 63464875 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 253859492 is about 15932.9687127039. The cubic root of 253859492 is about 633.1857545952.

The spelling of 253859492 in words is "two hundred fifty-three million, eight hundred fifty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 63464873 126929746 253859492