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70122040 = 2351753051
BaseRepresentation
bin1000010110111…
…11101000111000
311212221120100121
410023133220320
5120422401130
610542543024
71511012302
oct413375070
9155846317
1070122040
11366447aa
121b597a74
13116b2241
149454972
156251d7a
hex42dfa38

70122040 has 16 divisors (see below), whose sum is σ = 157774680. Its totient is φ = 28048800.

The previous prime is 70122011. The next prime is 70122043. The reversal of 70122040 is 4022107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70122043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876486 + ... + 876565.

Almost surely, 270122040 is an apocalyptic number.

It is an amenable number.

70122040 is an abundant number, since it is smaller than the sum of its proper divisors (87652640).

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

70122040 is a wasteful number, since it uses less digits than its factorization.

70122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753062 (or 1753058 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70122040 is about 8373.8903742526. The cubic root of 70122040 is about 412.3678964800.

Adding to 70122040 its reverse (4022107), we get a palindrome (74144147).

The spelling of 70122040 in words is "seventy million, one hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1753051 3506102 7012204 8765255 14024408 17530510 35061020 70122040