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1242602630 = 25747716619
BaseRepresentation
bin100101000010000…
…1001110010000110
310012121011202100122
41022010021302012
510021101241010
6323145141542
742535643123
oct11204116206
93177152318
101242602630
11588464825
122a818a8b2
1316a58c839
14bb05d74a
1574153855
hex4a109c86

1242602630 has 16 divisors (see below), whose sum is σ = 2237118480. Its totient is φ = 496944672.

The previous prime is 1242602629. The next prime is 1242602653. The reversal of 1242602630 is 362062421.

It is a super-2 number, since 2×12426026302 = 3088122592165833800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242602630.

It is a congruent number.

It is an unprimeable number.

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, 66461 + ... + 83079.

It is an arithmetic number, because the mean of its divisors is an integer number (139819905).

Almost surely, 21242602630 is an apocalyptic number.

1242602630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242602630 is a deficient number, since it is larger than the sum of its proper divisors (994515850).

1242602630 is a wasteful number, since it uses less digits than its factorization.

1242602630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1242602630 is about 35250.5692152623. The cubic root of 1242602630 is about 1075.0881860232.

The spelling of 1242602630 in words is "one billion, two hundred forty-two million, six hundred two thousand, six hundred thirty".

Divisors: 1 2 5 10 7477 14954 16619 33238 37385 74770 83095 166190 124260263 248520526 621301315 1242602630