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305425532 = 22194018757
BaseRepresentation
bin10010001101000…
…110110001111100
3210021201020001202
4102031012301330
51111142104112
650150155032
710366034306
oct2215066174
9707636052
10305425532
1114744a7a5
1286352a78
134b37a489
142c7c6976
151bc316c2
hex12346c7c

305425532 has 12 divisors (see below), whose sum is σ = 562626120. Its totient is φ = 144675216.

The previous prime is 305425531. The next prime is 305425541. The reversal of 305425532 is 235524503.

It is a junction number, because it is equal to n+sod(n) for n = 305425495 and 305425504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305425531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009303 + ... + 2009454.

It is an arithmetic number, because the mean of its divisors is an integer number (46885510).

Almost surely, 2305425532 is an apocalyptic number.

It is an amenable number.

305425532 is a deficient number, since it is larger than the sum of its proper divisors (257200588).

305425532 is a wasteful number, since it uses less digits than its factorization.

305425532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018780 (or 4018778 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 305425532 is about 17476.4278958831. The cubic root of 305425532 is about 673.4444523558. Note that the first 4 decimals are identical.

The spelling of 305425532 in words is "three hundred five million, four hundred twenty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 19 38 76 4018757 8037514 16075028 76356383 152712766 305425532