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1072670220 = 223255959279
BaseRepresentation
bin111111111011111…
…010011000001100
32202202102021220200
4333323322120030
54144100421340
6254235013500
735403355266
oct7773723014
92682367820
101072670220
11500549016
1225b29a290
1314130220b
14a2666b36
1564288330
hex3fefa60c

1072670220 has 36 divisors (see below), whose sum is σ = 3253766880. Its totient is φ = 286045344.

The previous prime is 1072670191. The next prime is 1072670227. The reversal of 1072670220 is 220762701.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1072670227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2979460 + ... + 2979819.

Almost surely, 21072670220 is an apocalyptic number.

1072670220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072670220 is an abundant number, since it is smaller than the sum of its proper divisors (2181096660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072670220 is a wasteful number, since it uses less digits than its factorization.

1072670220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959294 (or 5959289 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1072670220 is about 32751.6445388625. The cubic root of 1072670220 is about 1023.6592328746.

The spelling of 1072670220 in words is "one billion, seventy-two million, six hundred seventy thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5959279 11918558 17877837 23837116 29796395 35755674 53633511 59592790 71511348 89389185 107267022 119185580 178778370 214534044 268167555 357556740 536335110 1072670220