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70242549 = 3131801091
BaseRepresentation
bin1000010111111…
…01000011110101
311220011200122220
410023331003311
5120440230144
610545312553
71512023526
oct413750365
9156150586
1070242549
11367172a3
121b635759
1311725050
14948684d
156277919
hex42fd0f5

70242549 has 8 divisors (see below), whose sum is σ = 100861152. Its totient is φ = 43226160.

The previous prime is 70242541. The next prime is 70242551. The reversal of 70242549 is 94524207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70242549 - 23 = 70242541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70242541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900507 + ... + 900584.

It is an arithmetic number, because the mean of its divisors is an integer number (12607644).

Almost surely, 270242549 is an apocalyptic number.

It is an amenable number.

70242549 is a deficient number, since it is larger than the sum of its proper divisors (30618603).

70242549 is a wasteful number, since it uses less digits than its factorization.

70242549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801107.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70242549 is about 8381.0828059386. The cubic root of 70242549 is about 412.6039877411.

The spelling of 70242549 in words is "seventy million, two hundred forty-two thousand, five hundred forty-nine".

Divisors: 1 3 13 39 1801091 5403273 23414183 70242549