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1242411902 = 253106111047
BaseRepresentation
bin100101000001101…
…1011001101111110
310012120211001201122
41022003123031332
510021024140102
6323141110542
742534220064
oct11203331576
93176731648
101242411902
115883444a6
122a80b8452
1316a523a94
14bb010034
15741170a2
hex4a0db37e

1242411902 has 16 divisors (see below), whose sum is σ = 1900742112. Its totient is φ = 608855520.

The previous prime is 1242411883. The next prime is 1242411931. The reversal of 1242411902 is 2091142421.

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 7 ways as a sum of consecutive naturals, for example, 106943 + ... + 117989.

It is an arithmetic number, because the mean of its divisors is an integer number (118796382).

Almost surely, 21242411902 is an apocalyptic number.

1242411902 is a deficient number, since it is larger than the sum of its proper divisors (658330210).

1242411902 is a wasteful number, since it uses less digits than its factorization.

1242411902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1242411902 is about 35247.8637934273. The cubic root of 1242411902 is about 1075.0331778475.

The spelling of 1242411902 in words is "one billion, two hundred forty-two million, four hundred eleven thousand, nine hundred two".

Divisors: 1 2 53 106 1061 2122 11047 22094 56233 112466 585491 1170982 11720867 23441734 621205951 1242411902