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1406743450 = 25272574181
BaseRepresentation
bin101001111011001…
…0011001110011010
310122001000222020021
41103312103032122
510340111242300
6351331221054
746601056600
oct12366231632
93561028207
101406743450
116620851a2
1233314778a
1319559cc98
14d4b89870
1583777d1a
hex53d9339a

1406743450 has 36 divisors (see below), whose sum is σ = 3043738782. Its totient is φ = 482311200.

The previous prime is 1406743439. The next prime is 1406743463. The reversal of 1406743450 is 543476041.

It can be written as a sum of positive squares in 3 ways, for example, as 793041921 + 613701529 = 28161^2 + 24773^2 .

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 17 ways as a sum of consecutive naturals, for example, 284641 + ... + 289540.

Almost surely, 21406743450 is an apocalyptic number.

1406743450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406743450 is an abundant number, since it is smaller than the sum of its proper divisors (1636995332).

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

1406743450 is a wasteful number, since it uses less digits than its factorization.

1406743450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574207 (or 574195 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1406743450 is about 37506.5787562662. The cubic root of 1406743450 is about 1120.4822142286.

The spelling of 1406743450 in words is "one billion, four hundred six million, seven hundred forty-three thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 574181 1148362 2870905 4019267 5741810 8038534 14354525 20096335 28134869 28709050 40192670 56269738 100481675 140674345 200963350 281348690 703371725 1406743450