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1242852424 = 231124158603
BaseRepresentation
bin100101000010100…
…0110110001001000
310012121122110000021
41022011012301020
510021132234144
6323154350224
742541033312
oct11205066110
93177573007
101242852424
11588615470
122a828b374
1316a649448
14bb0c67b2
15741a2884
hex4a146c48

1242852424 has 32 divisors (see below), whose sum is σ = 2552790240. Its totient is φ = 562579200.

The previous prime is 1242852421. The next prime is 1242852427. The reversal of 1242852424 is 4242582421.

It is an interprime number because it is at equal distance from previous prime (1242852421) and next prime (1242852427).

It is a self number, because there is not a number n which added to its sum of digits gives 1242852424.

It is not an unprimeable number, because it can be changed into a prime (1242852421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8094 + ... + 50509.

It is an arithmetic number, because the mean of its divisors is an integer number (79774695).

Almost surely, 21242852424 is an apocalyptic number.

It is an amenable number.

1242852424 is an abundant number, since it is smaller than the sum of its proper divisors (1309937816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242852424 is a wasteful number, since it uses less digits than its factorization.

1242852424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58861 (or 58857 counting only the distinct ones).

The product of its digits is 40960, while the sum is 34.

The square root of 1242852424 is about 35254.1121573073. The cubic root of 1242852424 is about 1075.1602210082.

The spelling of 1242852424 in words is "one billion, two hundred forty-two million, eight hundred fifty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 241 482 964 1928 2651 5302 10604 21208 58603 117206 234412 468824 644633 1289266 2578532 5157064 14123323 28246646 56493292 112986584 155356553 310713106 621426212 1242852424