Search a number
-
+
70701421 = 731325813
BaseRepresentation
bin1000011011011…
…01000101101101
311221001000010011
410031231011231
5121044421141
611003213221
71515644410
oct415550555
9157030104
1070701421
1136a0002a
121b817211
1311855b7b
149565b77
156318881
hex436d16d

70701421 has 8 divisors (see below), whose sum is σ = 83408384. Its totient is φ = 58646160.

The previous prime is 70701403. The next prime is 70701439. The reversal of 70701421 is 12410707.

It is an interprime number because it is at equal distance from previous prime (70701403) and next prime (70701439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70701421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70701392 and 70701401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70701721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162690 + ... + 163123.

It is an arithmetic number, because the mean of its divisors is an integer number (10426048).

Almost surely, 270701421 is an apocalyptic number.

It is an amenable number.

70701421 is a deficient number, since it is larger than the sum of its proper divisors (12706963).

70701421 is a wasteful number, since it uses less digits than its factorization.

70701421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325851.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70701421 is about 8408.4137029525. The cubic root of 70701421 is about 413.5005080931.

The spelling of 70701421 in words is "seventy million, seven hundred one thousand, four hundred twenty-one".

Divisors: 1 7 31 217 325813 2280691 10100203 70701421