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124530428 = 22112830237
BaseRepresentation
bin1110110110000…
…10111011111100
322200022210122002
413123002323330
5223334433203
620205041432
73041330321
oct733027374
9280283562
10124530428
1164326610
1235856278
131ca52059
1412778b48
15adecd88
hex76c2efc

124530428 has 12 divisors (see below), whose sum is σ = 237739992. Its totient is φ = 56604720.

The previous prime is 124530409. The next prime is 124530431. The reversal of 124530428 is 824035421.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 124530428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415075 + ... + 1415162.

It is an arithmetic number, because the mean of its divisors is an integer number (19811666).

Almost surely, 2124530428 is an apocalyptic number.

It is an amenable number.

124530428 is a deficient number, since it is larger than the sum of its proper divisors (113209564).

124530428 is a wasteful number, since it uses less digits than its factorization.

124530428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830252 (or 2830250 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 124530428 is about 11159.3202301932. The cubic root of 124530428 is about 499.3731183673.

Adding to 124530428 its reverse (824035421), we get a palindrome (948565849).

The spelling of 124530428 in words is "one hundred twenty-four million, five hundred thirty thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 2830237 5660474 11320948 31132607 62265214 124530428