Search a number
-
+
1225808410 = 25472608103
BaseRepresentation
bin100100100010000…
…0101101000011010
310011102120112000111
41021010011220122
510002301332120
6321345154534
742243125311
oct11104055032
93142515014
101225808410
11579a34002
122a262ba4a
13166c5c628
14b8b2b278
157293775a
hex49105a1a

1225808410 has 16 divisors (see below), whose sum is σ = 2253401856. Its totient is φ = 479890768.

The previous prime is 1225808407. The next prime is 1225808537. The reversal of 1225808410 is 148085221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303582 + ... + 1304521.

It is an arithmetic number, because the mean of its divisors is an integer number (140837616).

Almost surely, 21225808410 is an apocalyptic number.

1225808410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225808410 is a deficient number, since it is larger than the sum of its proper divisors (1027593446).

1225808410 is a wasteful number, since it uses less digits than its factorization.

1225808410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608157.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 1225808410 is about 35011.5468095884. The cubic root of 1225808410 is about 1070.2227998501. Note that the first 3 decimals are identical.

The spelling of 1225808410 in words is "one billion, two hundred twenty-five million, eight hundred eight thousand, four hundred ten".

Divisors: 1 2 5 10 47 94 235 470 2608103 5216206 13040515 26081030 122580841 245161682 612904205 1225808410