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70401001 = 116400091
BaseRepresentation
bin1000011001000…
…11101111101001
311220110202000111
410030203233221
5121010313001
610552534321
71513253506
oct414435751
9156422014
1070401001
1136815350
121b6b13a1
131177c1c8
1494c84ad
1562a9851
hex4323be9

70401001 has 4 divisors (see below), whose sum is σ = 76801104. Its totient is φ = 64000900.

The previous prime is 70400989. The next prime is 70401017. The reversal of 70401001 is 10010407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70401001 - 27 = 70400873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70401701) 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, 3200035 + ... + 3200056.

It is an arithmetic number, because the mean of its divisors is an integer number (19200276).

Almost surely, 270401001 is an apocalyptic number.

It is an amenable number.

70401001 is a deficient number, since it is larger than the sum of its proper divisors (6400103).

70401001 is a wasteful number, since it uses less digits than its factorization.

70401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400102.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 70401001 is about 8390.5304361524. The cubic root of 70401001 is about 412.9140032043.

Adding to 70401001 its reverse (10010407), we get a palindrome (80411408).

The spelling of 70401001 in words is "seventy million, four hundred one thousand, one".

Divisors: 1 11 6400091 70401001