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207670030 = 2571292493
BaseRepresentation
bin11000110000011…
…00101100001110
3112110202201201121
430120030230032
5411130420110
632335031154
75101110661
oct1430145416
9473681647
10207670030
11a7251627
125966b4ba
1334041499
141d81b6d8
1513371cda
hexc60cb0e

207670030 has 16 divisors (see below), whose sum is σ = 379072224. Its totient is φ = 81897760.

The previous prime is 207670009. The next prime is 207670033. The reversal of 207670030 is 30076702.

It is a junction number, because it is equal to n+sod(n) for n = 207669977 and 207670004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207670033) 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, 145537 + ... + 146956.

It is an arithmetic number, because the mean of its divisors is an integer number (23692014).

Almost surely, 2207670030 is an apocalyptic number.

207670030 is a deficient number, since it is larger than the sum of its proper divisors (171402194).

207670030 is a wasteful number, since it uses less digits than its factorization.

207670030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292571.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 207670030 is about 14410.7609098201. The cubic root of 207670030 is about 592.1857354115.

The spelling of 207670030 in words is "two hundred seven million, six hundred seventy thousand, thirty".

Divisors: 1 2 5 10 71 142 355 710 292493 584986 1462465 2924930 20767003 41534006 103835015 207670030