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1225250234 = 213349113499
BaseRepresentation
bin100100100000111…
…1101010110111010
310011101112011100022
41021001331112322
510002131001414
6321325210442
742235312055
oct11101752672
93141464308
101225250234
115796926aa
122a2400a22
13166ac5550
14b8a23a9c
157287718e
hex4907d5ba

1225250234 has 16 divisors (see below), whose sum is σ = 1979964000. Its totient is φ = 565296240.

The previous prime is 1225250219. The next prime is 1225250251. The reversal of 1225250234 is 4320525221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84017 + ... + 97515.

It is an arithmetic number, because the mean of its divisors is an integer number (123747750).

Almost surely, 21225250234 is an apocalyptic number.

1225250234 is a deficient number, since it is larger than the sum of its proper divisors (754713766).

1225250234 is a wasteful number, since it uses less digits than its factorization.

1225250234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1225250234 is about 35003.5745888902. The cubic root of 1225250234 is about 1070.0603319986.

Adding to 1225250234 its reverse (4320525221), we get a palindrome (5545775455).

The spelling of 1225250234 in words is "one billion, two hundred twenty-five million, two hundred fifty thousand, two hundred thirty-four".

Divisors: 1 2 13 26 3491 6982 13499 26998 45383 90766 175487 350974 47125009 94250018 612625117 1225250234