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1428744316 = 22438306653
BaseRepresentation
bin101010100101000…
…1110100001111100
310200120102201202011
41111022032201330
510411224304231
6353434541004
750256061216
oct12512164174
93616381664
101428744316
1167354182a
1233a597764
1319a00404c
14d7a755b6
15856719b1
hex5528e87c

1428744316 has 12 divisors (see below), whose sum is σ = 2558449432. Its totient is φ = 697758768.

The previous prime is 1428744293. The next prime is 1428744319. The reversal of 1428744316 is 6134478241.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428744319) 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, 4153155 + ... + 4153498.

Almost surely, 21428744316 is an apocalyptic number.

It is an amenable number.

1428744316 is a deficient number, since it is larger than the sum of its proper divisors (1129705116).

1428744316 is a wasteful number, since it uses less digits than its factorization.

1428744316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306700 (or 8306698 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 1428744316 is about 37798.7343174345. The cubic root of 1428744316 is about 1126.2933119009.

The spelling of 1428744316 in words is "one billion, four hundred twenty-eight million, seven hundred forty-four thousand, three hundred sixteen".

Divisors: 1 2 4 43 86 172 8306653 16613306 33226612 357186079 714372158 1428744316