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70268501 = 174140361
BaseRepresentation
bin1000011000000…
…11011001010101
311220020000021002
410030003121111
5120442043001
610550033045
71512162302
oct414033125
9156200232
1070268501
1136734846
121b648785
1311733ac4
1494920a9
15628046b
hex4303655

70268501 has 4 divisors (see below), whose sum is σ = 70310604. Its totient is φ = 70226400.

The previous prime is 70268491. The next prime is 70268507. The reversal of 70268501 is 10586207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29691601 + 40576900 = 5449^2 + 6370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70268501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70268507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18440 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (17577651).

Almost surely, 270268501 is an apocalyptic number.

It is an amenable number.

70268501 is a deficient number, since it is larger than the sum of its proper divisors (42103).

70268501 is a wasteful number, since it uses less digits than its factorization.

70268501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 70268501 is about 8382.6309115933. The cubic root of 70268501 is about 412.6547954087.

The spelling of 70268501 in words is "seventy million, two hundred sixty-eight thousand, five hundred one".

Divisors: 1 1741 40361 70268501