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428348302 = 2214174151
BaseRepresentation
bin11001100010000…
…001001110001110
31002212000100101221
4121202001032032
51334124121202
6110300553554
713420620604
oct3142011616
91085010357
10428348302
111aa878468
12bb5528ba
136a988845
1440c63874
1527913037
hex1988138e

428348302 has 4 divisors (see below), whose sum is σ = 642522456. Its totient is φ = 214174150.

The previous prime is 428348257. The next prime is 428348383. The reversal of 428348302 is 203843824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107087074 + ... + 107087077.

It is an arithmetic number, because the mean of its divisors is an integer number (160630614).

Almost surely, 2428348302 is an apocalyptic number.

428348302 is a deficient number, since it is larger than the sum of its proper divisors (214174154).

428348302 is a wasteful number, since it uses less digits than its factorization.

428348302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214174153.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 428348302 is about 20696.5770599875. The cubic root of 428348302 is about 753.8165761988.

The spelling of 428348302 in words is "four hundred twenty-eight million, three hundred forty-eight thousand, three hundred two".

Divisors: 1 2 214174151 428348302