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1235415042 = 232591398369
BaseRepresentation
bin100100110100010…
…1111000000000010
310012002122120211200
41021220233000002
510012231240132
6322331122030
742420566061
oct11150570002
93162576750
101235415042
115843a5674
122a58a3316
13168c44124
14ba10c1d8
15736d3d7c
hex49a2f002

1235415042 has 48 divisors (see below), whose sum is σ = 2742012000. Its totient is φ = 401864832.

The previous prime is 1235415037. The next prime is 1235415043. The reversal of 1235415042 is 2405145321.

It is a junction number, because it is equal to n+sod(n) for n = 1235414997 and 1235415015.

It is not an unprimeable number, because it can be changed into a prime (1235415043) 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 23 ways as a sum of consecutive naturals, for example, 143434 + ... + 151802.

It is an arithmetic number, because the mean of its divisors is an integer number (57125250).

Almost surely, 21235415042 is an apocalyptic number.

1235415042 is an abundant number, since it is smaller than the sum of its proper divisors (1506596958).

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

1235415042 is a wasteful number, since it uses less digits than its factorization.

1235415042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575 (or 8572 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1235415042 is about 35148.4714034622. The cubic root of 1235415042 is about 1073.0112984181.

The spelling of 1235415042 in words is "one billion, two hundred thirty-five million, four hundred fifteen thousand, forty-two".

Divisors: 1 2 3 6 9 18 59 118 139 177 278 354 417 531 834 1062 1251 2502 8201 8369 16402 16738 24603 25107 49206 50214 73809 75321 147618 150642 493771 987542 1163291 1481313 2326582 2962626 3489873 4443939 6979746 8887878 10469619 20939238 68634169 137268338 205902507 411805014 617707521 1235415042