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70000492 = 22175319423
BaseRepresentation
bin1000010110000…
…01111101101100
311212201101121211
410023001331230
5120410003432
610540204204
71506665032
oct413017554
9155641554
1070000492
1136571451
121b539664
131166bb13
149422552
15622ad47
hex42c1f6c

70000492 has 24 divisors (see below), whose sum is σ = 132160896. Its totient is φ = 32318208.

The previous prime is 70000481. The next prime is 70000493. The reversal of 70000492 is 29400007.

It is not an unprimeable number, because it can be changed into a prime (70000493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108 + ... + 13315.

It is an arithmetic number, because the mean of its divisors is an integer number (5506704).

Almost surely, 270000492 is an apocalyptic number.

It is an amenable number.

70000492 is a deficient number, since it is larger than the sum of its proper divisors (62160404).

70000492 is a wasteful number, since it uses less digits than its factorization.

70000492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19495 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 70000492 is about 8366.6296679129. The cubic root of 70000492 is about 412.1294955369.

Adding to 70000492 its reverse (29400007), we get a palindrome (99400499).

The spelling of 70000492 in words is "seventy million, four hundred ninety-two", and thus it is an aban number.

Divisors: 1 2 4 17 34 53 68 106 212 901 1802 3604 19423 38846 77692 330191 660382 1029419 1320764 2058838 4117676 17500123 35000246 70000492