Search a number
-
+
70061224 = 2311297757
BaseRepresentation
bin1000010110100…
…00110010101000
311212211110221011
410023100302220
5120413424344
610541353304
71510340062
oct413206250
9155743834
1070061224
1136603042
121b568834
131169065c
14943a732
15623dd34
hex42d0ca8

70061224 has 16 divisors (see below), whose sum is σ = 131498100. Its totient is φ = 34995072.

The previous prime is 70061221. The next prime is 70061231. The reversal of 70061224 is 42216007.

It can be written as a sum of positive squares in 2 ways, for example, as 69722500 + 338724 = 8350^2 + 582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70061195 and 70061204.

It is not an unprimeable number, because it can be changed into a prime (70061221) 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, 5154 + ... + 12910.

Almost surely, 270061224 is an apocalyptic number.

It is an amenable number.

70061224 is a deficient number, since it is larger than the sum of its proper divisors (61436876).

70061224 is a wasteful number, since it uses less digits than its factorization.

70061224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892 (or 8888 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70061224 is about 8370.2582994792. The cubic root of 70061224 is about 412.2486480972.

The spelling of 70061224 in words is "seventy million, sixty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 1129 2258 4516 7757 9032 15514 31028 62056 8757653 17515306 35030612 70061224