Search a number
-
+
70300121 = 236189563
BaseRepresentation
bin1000011000010…
…11000111011001
311220021121122012
410030023013121
5120444100441
610550435305
71512353423
oct414130731
9156247565
1070300121
1136756581
121b662b35
1311745308
14949d813
1562899eb
hex430b1d9

70300121 has 16 divisors (see below), whose sum is σ = 75530880. Its totient is φ = 65281920.

The previous prime is 70300103. The next prime is 70300129. The reversal of 70300121 is 12100307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70300121 is a prime.

It is a super-2 number, since 2×703001212 = 9884214025229282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70300096 and 70300105.

It is not an unprimeable number, because it can be changed into a prime (70300129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124586 + ... + 125148.

It is an arithmetic number, because the mean of its divisors is an integer number (4720680).

Almost surely, 270300121 is an apocalyptic number.

It is an amenable number.

70300121 is a deficient number, since it is larger than the sum of its proper divisors (5230759).

70300121 is a wasteful number, since it uses less digits than its factorization.

70300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 70300121 is about 8384.5167421862. The cubic root of 70300121 is about 412.7166827303.

Adding to 70300121 its reverse (12100307), we get a palindrome (82400428).

The spelling of 70300121 in words is "seventy million, three hundred thousand, one hundred twenty-one".

Divisors: 1 23 61 89 563 1403 2047 5429 12949 34343 50107 124867 789889 1152461 3056527 70300121