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53150428 = 2213287607
BaseRepresentation
bin1100101011000…
…0001011011100
310201000022200101
43022300023130
5102101303203
65135110444
71213525342
oct312601334
9121008611
1053150428
1128002781
1215972424
13b01c376
1470b7992
1549ed41d
hex32b02dc

53150428 has 6 divisors (see below), whose sum is σ = 93013256. Its totient is φ = 26575212.

The previous prime is 53150413. The next prime is 53150437. The reversal of 53150428 is 82405135.

It is a junction number, because it is equal to n+sod(n) for n = 53150396 and 53150405.

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, 6643800 + ... + 6643807.

Almost surely, 253150428 is an apocalyptic number.

It is an amenable number.

53150428 is a deficient number, since it is larger than the sum of its proper divisors (39862828).

53150428 is a wasteful number, since it uses less digits than its factorization.

53150428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13287611 (or 13287609 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53150428 is about 7290.4340062852. The cubic root of 53150428 is about 375.9836174392.

The spelling of 53150428 in words is "fifty-three million, one hundred fifty thousand, four hundred twenty-eight".

Divisors: 1 2 4 13287607 26575214 53150428